Vulnerabilities (CVE)

Filtered by CWE-347
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2019-1808 1 Cisco 32 7000 10-slot, 7000 18-slot, 7000 4-slot and 29 more 2019-10-09 2.1 LOW 4.4 MEDIUM
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by loading an unsigned software patch on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.
CVE-2019-1615 1 Cisco 44 9432pq, 9536pq, 9636pq and 41 more 2019-10-09 4.6 MEDIUM 6.7 MEDIUM
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability is due to improper verification of digital signatures for software images. An attacker could exploit this vulnerability by loading an unsigned software image on an affected device. A successful exploit could allow the attacker to boot a malicious software image. Note: The fix for this vulnerability requires a BIOS upgrade as part of the software upgrade. For additional information, see the Details section of this advisory. Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I7(5). Nexus 9000 Series Fabric Switches in ACI Mode are affected running software versions prior to 13.2(1l). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I7(5). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5).
CVE-2019-12662 1 Cisco 135 Ios Xe, Mds 9000, Nexus 3016 and 132 more 2019-10-09 7.2 HIGH 6.7 MEDIUM
A vulnerability in Cisco NX-OS Software and Cisco IOS XE Software could allow an authenticated, local attacker with valid administrator or privilege level 15 credentials to load a virtual service image and bypass signature verification on an affected device. The vulnerability is due to improper signature verification during the installation of an Open Virtual Appliance (OVA) image. An authenticated, local attacker could exploit this vulnerability and load a malicious, unsigned OVA image on an affected device. A successful exploit could allow an attacker to perform code execution on a crafted software OVA image.
CVE-2019-12649 1 Cisco 87 Catalyst 3850-12s-e, Catalyst 3850-12s-s, Catalyst 3850-12xs-e and 84 more 2019-10-09 7.2 HIGH 6.7 MEDIUM
A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability exists because, under certain circumstances, an affected device can be configured to not verify the digital signatures of system image files during the boot process. An attacker could exploit this vulnerability by abusing a specific feature that is part of the device boot process. A successful exploit could allow the attacker to install and boot a malicious software image or execute unsigned binaries on the targeted device.
CVE-2019-10136 1 Redhat 2 Satellite, Spacewalk 2019-10-09 4.0 MEDIUM 4.3 MEDIUM
It was found that Spacewalk, all versions through 2.9, did not safely compute client token checksums. An attacker with a valid, but expired, authenticated set of headers could move some digits around, artificially extending the session validity without modifying the checksum.
CVE-2018-7685 1 Opensuse 1 Libzypp 2019-10-09 4.6 MEDIUM 7.8 HIGH
The decoupled download and installation steps in libzypp before 17.5.0 could lead to a corrupted RPM being left in the cache, where a later call would not display the corrupted RPM warning and allow installation, a problem caused by malicious warnings only displayed during download.
CVE-2018-6664 2 Mcafee, Microsoft 2 Data Loss Prevention Endpoint, Windows 2019-10-09 6.5 MEDIUM 8.8 HIGH
Application Protections Bypass vulnerability in Microsoft Windows in McAfee Data Loss Prevention (DLP) Endpoint before 10.0.500 and DLP Endpoint before 11.0.400 allows authenticated users to bypass the product block action via a command-line utility.
CVE-2018-1842 2 Ibm, Netapp 2 Cognos Analytics, Oncommand Insight 2019-10-09 3.3 LOW 3.6 LOW
IBM Cognos Analytics 11 Configuration tool, under certain circumstances, will bypass OIDC namespace signature verification on its id_token. IBM X-Force ID: 150902.
CVE-2018-15374 1 Cisco 1 Ios Xe 2019-10-09 7.2 HIGH 6.7 MEDIUM
A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker could exploit this vulnerability by uploading a malicious software image or file to an affected device. A successful exploit could allow the attacker to bypass digital signature verification checks for software images and files and install a malicious software image or file on the affected device.
CVE-2017-3198 1 Gigabyte 4 Gb-bsi7h-6500, Gb-bsi7h-6500 Firmware, Gb-bxi7-5775 and 1 more 2019-10-09 10.0 HIGH 9.8 CRITICAL
GIGABYTE BRIX UEFI firmware does not cryptographically validate images prior to updating the system firmware. Additionally, the firmware updates are served over HTTP. An attacker can make arbitrary modifications to firmware images without being detected.
CVE-2017-16005 1 Joyent 1 Http-signature 2019-10-09 5.0 MEDIUM 7.5 HIGH
Http-signature is a "Reference implementation of Joyent's HTTP Signature Scheme". In versions <=0.9.11, http-signature signs only the header values, but not the header names. This makes http-signature vulnerable to header forgery. Thus, if an attacker can intercept a request, he can swap header names and change the meaning of the request without changing the signature.
CVE-2017-15090 1 Powerdns 1 Recursor 2019-10-09 4.3 MEDIUM 5.9 MEDIUM
An issue has been found in the DNSSEC validation component of PowerDNS Recursor from 4.0.0 and up to and including 4.0.6, where the signatures might have been accepted as valid even if the signed data was not in bailiwick of the DNSKEY used to sign it. This allows an attacker in position of man-in-the-middle to alter the content of records by issuing a valid signature for the crafted records.
CVE-2016-9604 1 Linux 1 Linux Kernel 2019-10-09 2.1 LOW 4.4 MEDIUM
It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its session keyring. This allows root to bypass module signature verification by adding a new public key of its own devising to the keyring.
CVE-2019-16992 1 Keybase 1 Keybase 2019-10-08 5.0 MEDIUM 7.5 HIGH
The Keybase app 2.13.2 for iOS provides potentially insufficient notice that it is employing a user's private key to sign a certain cryptocurrency attestation (that an address at keybase.io can be used for Stellar payments to the user), which might be incompatible with a user's personal position on the semantics of an attestation.
CVE-2018-7644 1 Simplesamlphp 1 Simplesamlphp 2019-10-03 5.0 MEDIUM 7.5 HIGH
The XmlSecLibs library as used in the saml2 library in SimpleSAMLphp before 1.15.3 incorrectly verifies signatures on SAML assertions, allowing a remote attacker to construct a crafted SAML assertion on behalf of an Identity Provider that would pass as cryptographically valid, thereby allowing them to impersonate a user from that Identity Provider, aka a key confusion issue.
CVE-2018-5383 2 Apple, Google 3 Iphone Os, Mac Os X, Android 2019-10-03 4.3 MEDIUM 6.8 MEDIUM
Bluetooth firmware or operating system software drivers in macOS versions before 10.13, High Sierra and iOS versions before 11.4, and Android versions before the 2018-06-05 patch may not sufficiently validate elliptic curve parameters used to generate public keys during a Diffie-Hellman key exchange, which may allow a remote attacker to obtain the encryption key used by the device.
CVE-2018-18653 1 Canonical 1 Ubuntu Linux 2019-10-03 7.2 HIGH 7.8 HIGH
The Linux kernel, as used in Ubuntu 18.10 and when booted with UEFI Secure Boot enabled, allows privileged local users to bypass intended Secure Boot restrictions and execute untrusted code by loading arbitrary kernel modules. This occurs because a modified kernel/module.c, in conjunction with certain configuration options, leads to mishandling of the result of signature verification.
CVE-2018-16515 2 Debian, Matrix 2 Debian Linux, Synapse 2019-10-03 6.5 MEDIUM 8.8 HIGH
Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.
CVE-2018-10988 1 Diqee 2 Diqee360, Diqee360 Firmware 2019-10-03 7.2 HIGH 7.8 HIGH
An issue was discovered on Diqee Diqee360 devices. A firmware update process, integrated into the firmware, starts at boot and tries to find the update folder on the microSD card. It executes code, without a digital signature, as root from the /mnt/sdcard/$PRO_NAME/upgrade.sh or /sdcard/upgrage_360/upgrade.sh pathname.
CVE-2017-6445 1 Openelec 1 Openelec 2019-10-03 7.6 HIGH 8.1 HIGH
The auto-update feature of Open Embedded Linux Entertainment Center (OpenELEC) 6.0.3, 7.0.1, and 8.0.4 uses neither encrypted connections nor signed updates. A man-in-the-middle attacker could manipulate the update packages to gain root access remotely.
CVE-2017-2423 1 Apple 2 Iphone Os, Mac Os X 2019-10-03 7.5 HIGH 9.8 CRITICAL
An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. The issue involves the "Security" component. It allows remote attackers to bypass intended access restrictions by leveraging a successful result from a SecKeyRawVerify API call with an empty signature.
CVE-2017-11400 1 Belden 2 Tofino Xenon Security Appliance, Tofino Xenon Security Appliance Firmware 2019-10-03 7.2 HIGH 6.8 MEDIUM
An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data. This occurs because the appliance_config file is signed but the .tar.sec file is unsigned.
CVE-2019-9153 1 Openpgpjs 1 Openpgpjs 2019-08-30 5.0 MEDIUM 7.5 HIGH
Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to forge signed messages by replacing its signatures with a "standalone" or "timestamp" signature.
CVE-2019-9154 1 Openpgpjs 1 Openpgpjs 2019-08-30 5.0 MEDIUM 7.5 HIGH
Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to pass off unsigned data as signed.
CVE-2017-18407 1 Cpanel 1 Cpanel 2019-08-12 5.8 MEDIUM 4.8 MEDIUM
cPanel before 67.9999.103 does not enforce SSL hostname verification for the support-agreement download (SEC-279).
CVE-2019-1010279 1 Oisf 1 Suricata 2019-08-01 5.0 MEDIUM 7.5 HIGH
Open Information Security Foundation Suricata prior to version 4.1.3 is affected by: Denial of Service - TCP/HTTP detection bypass. The impact is: An attacker can evade a signature detection with a specialy formed sequence of network packets. The component is: detect.c (https://github.com/OISF/suricata/pull/3625/commits/d8634daf74c882356659addb65fb142b738a186b). The attack vector is: An attacker can trigger the vulnerability by a specifically crafted network TCP session. The fixed version is: 4.1.3.
CVE-2019-13177 1 Django-rest-registration Project 1 Django-rest-registration 2019-07-12 7.5 HIGH 9.8 CRITICAL
verification.py in django-rest-registration (aka Django REST Registration library) before 0.5.0 relies on a static string for signatures (i.e., the Django Signing API is misused), which allows remote attackers to spoof the verification process. This occurs because incorrect code refactoring led to calling a security-critical function with an incorrect argument.
CVE-2019-12269 1 Enigmail 1 Enigmail 2019-06-24 5.0 MEDIUM 7.5 HIGH
Enigmail before 2.0.11 allows PGP signature spoofing: for an inline PGP message, an attacker can cause the product to display a "correctly signed" message indication, but display different unauthenticated text.
CVE-2018-15587 2 Debian, Gnome 2 Debian Linux, Evolution 2019-06-10 4.3 MEDIUM 6.5 MEDIUM
GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment.
CVE-2019-5300 1 Huawei 53 Ar1200-s Firmware, Ar1200 Firmware, Ar1200e and 50 more 2019-06-05 4.6 MEDIUM 6.7 MEDIUM
There is a digital signature verification bypass vulnerability in AR1200, AR1200-S, AR150, AR160, AR200, AR2200, AR2200-S, AR3200, SRG1300, SRG2300 and SRG3300 Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the affected device. A local attacker with high privilege may exploit the vulnerability to bypass integrity checks for software images and install a malicious software image on the affected device.
CVE-2018-18509 1 Mozilla 1 Thunderbird 2019-06-03 5.0 MEDIUM 5.3 MEDIUM
A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1.
CVE-2019-1810 1 Cisco 5 N3k-c3164q, N3k-c3232c, N9k-c92304qc and 2 more 2019-05-23 4.6 MEDIUM 6.7 MEDIUM
A vulnerability in the Image Signature Verification feature used in an NX-OS CLI command in Cisco Nexus 3000 Series and 9000 Series Switches could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device. Note: If the device has not been patched for the vulnerability previously disclosed in the Cisco Security Advisory cisco-sa-20190306-nxos-sig-verif, a successful exploit could allow the attacker to boot a malicious software image.
CVE-2019-1813 1 Cisco 66 9432pq, 9536pq, 9636pq and 63 more 2019-05-23 7.2 HIGH 6.7 MEDIUM
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device.
CVE-2019-1811 1 Cisco 66 9432pq, 9536pq, 9636pq and 63 more 2019-05-23 7.2 HIGH 6.7 MEDIUM
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device.
CVE-2019-1812 1 Cisco 66 9432pq, 9536pq, 9636pq and 63 more 2019-05-23 7.2 HIGH 6.7 MEDIUM
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device.
CVE-2019-8338 1 Gpg-pgp Project 1 Gpg-pgp 2019-05-21 4.3 MEDIUM 5.9 MEDIUM
The signature verification routine in the Airmail GPG-PGP Plugin, versions 1.0 (9) and earlier, does not verify the status of the signature at all, which allows remote attackers to spoof arbitrary email signatures by crafting a signed email with an invalid signature. Also, it does not verify the validity of the signing key, which allows remote attackers to spoof arbitrary email signatures by crafting a key with a fake user ID (email address) and injecting it into the user's keyring.
CVE-2018-12556 1 Yarnpkg 1 Website 2019-05-21 4.3 MEDIUM 5.9 MEDIUM
The signature verification routine in install.sh in yarnpkg/website through 2018-06-05 only verifies that the yarn release is signed by any (arbitrary) key in the local keyring of the user, and does not pin the signature to the yarn release key, which allows remote attackers to sign tampered yarn release packages with their own key.
CVE-2019-1728 1 Cisco 40 Firepower 4110, Firepower 4115, Firepower 4120 and 37 more 2019-05-21 7.2 HIGH 6.7 MEDIUM
A vulnerability in the Secure Configuration Validation functionality of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to run arbitrary commands at system boot time with the privileges of root. The vulnerability is due to a lack of proper validation of system files when the persistent configuration information is read from the file system. An attacker could exploit this vulnerability by authenticating to the device and overwriting the persistent configuration storage with malicious executable files. An exploit could allow the attacker to run arbitrary commands at system startup and those commands will run as the root user. The attacker must have valid administrative credentials for the device.
CVE-2019-1809 1 Cisco 37 7000 10-slot, 7000 18-slot, 7000 4-slot and 34 more 2019-05-20 4.6 MEDIUM 6.7 MEDIUM
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.
CVE-2018-1000076 2 Debian, Rubygems 2 Debian Linux, Rubygems 2019-05-20 7.5 HIGH 9.8 CRITICAL
RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.. This vulnerability appears to have been fixed in 2.7.6.
CVE-2018-15586 1 Enigmail 1 Enigmail 2019-05-16 4.3 MEDIUM 6.5 MEDIUM
Enigmail before 2.0.6 is prone to to OpenPGP signatures being spoofed for arbitrary messages using a PGP/INLINE signature wrapped within a specially crafted multipart HTML email.
CVE-2018-12356 1 Simple Password Store Project 1 Simple Password Store 2019-05-16 7.5 HIGH 9.8 CRITICAL
An issue was discovered in password-store.sh in pass in Simple Password Store 1.7.x before 1.7.2. The signature verification routine parses the output of GnuPG with an incomplete regular expression, which allows remote attackers to spoof file signatures on configuration files and extension scripts. Modifying the configuration file allows the attacker to inject additional encryption keys under their control, thereby disclosing passwords to the attacker. Modifying the extension scripts allows the attacker arbitrary code execution.
CVE-2018-12019 1 Enigmail 1 Enigmail 2019-05-16 5.0 MEDIUM 7.5 HIGH
The signature verification routine in Enigmail before 2.0.7 interprets user ids as status/control messages and does not correctly keep track of the status of multiple signatures, which allows remote attackers to spoof arbitrary email signatures via public keys containing crafted primary user ids.
CVE-2017-17848 2 Debian, Enigmail 2 Debian Linux, Enigmail 2019-05-16 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.
CVE-2017-18122 2 Debian, Simplesamlphp 2 Debian Linux, Simplesamlphp 2019-05-13 6.8 MEDIUM 8.1 HIGH
A signature-validation bypass issue was discovered in SimpleSAMLphp through 1.14.16. A SimpleSAMLphp Service Provider using SAML 1.1 will regard as valid any unsigned SAML response containing more than one signed assertion, provided that the signature of at least one of the assertions is valid. Attributes contained in all the assertions received will be merged and the entityID of the first assertion received will be used, allowing an attacker to impersonate any user of any IdP given an assertion signed by the targeted IdP.
CVE-2018-5923 1 Hp 276 Color Laserjet Cm4540 Mfp, Color Laserjet Cm4540 Mfp Firmware, Color Laserjet Cp5525 and 273 more 2019-04-18 7.5 HIGH 9.8 CRITICAL
In HP LaserJet Enterprise, HP PageWide Enterprise, HP LaserJet Managed, and HP OfficeJet Enterprise Printers, solution application signature checking may allow potential execution of arbitrary code.
CVE-2018-3968 1 Denx 1 U-boot 2019-04-02 4.4 MEDIUM 7.0 HIGH
An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2. The affected versions lack proper FIT signature enforcement, which allows an attacker to bypass U-Boot's verified boot and execute an unsigned kernel, embedded in a legacy image format. To trigger this vulnerability, a local attacker needs to be able to supply the image to boot.
CVE-2018-18203 1 Subaru 6 Starlink 2017, Starlink 2017 Firmware, Starlink 2018 and 3 more 2019-02-05 6.9 MEDIUM 6.4 MEDIUM
A vulnerability in the update mechanism of Subaru StarLink Harman head units 2017, 2018, and 2019 may give an attacker (with physical access to the vehicle's USB ports) the ability to rewrite the firmware of the head unit. This occurs because the device accepts modified QNX6 filesystem images (as long as the attacker obtains access to certain Harman decryption/encryption code) as a consequence of a bug where unsigned images pass a validity check. An attacker could potentially install persistent malicious head unit firmware and execute arbitrary code as the root user.
CVE-2018-16149 1 Axtls Project 1 Axtls 2019-01-31 4.3 MEDIUM 5.9 MEDIUM
In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification blindly trusts the declared lengths in the ASN.1 structure. Consequently, when small public exponents are being used, a remote attacker can generate purposefully crafted signatures (and put them on X.509 certificates) to induce illegal memory access and crash the verifier.
CVE-2018-8955 1 Bitdefender 1 Gravityzone 2019-01-25 7.5 HIGH 9.8 CRITICAL
The installer for BitDefender GravityZone relies on an encoded string in a filename to determine the URL for installation metadata, which allows remote attackers to execute arbitrary code by changing the filename while leaving the file's digital signature unchanged.