Vulnerabilities (CVE)

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Filtered by product Kerberos 5
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2001-0554 9 Debian, Freebsd, Ibm and 6 more 11 Debian Linux, Freebsd, Aix and 8 more 2022-01-21 10.0 HIGH N/A
Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.
CVE-2001-1323 1 Mit 1 Kerberos 5 2021-11-04 7.5 HIGH N/A
Buffer overflow in MIT Kerberos 5 (krb5) 1.2.2 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via base-64 encoded data, which is not properly handled when the radix_encode function processes file glob output from the ftpglob function.
CVE-2004-0971 1 Mit 1 Kerberos 5 2021-06-18 2.1 LOW N/A
The krb5-send-pr script in the kerberos5 (krb5) package in Trustix Secure Linux 1.5 through 2.1, and possibly other operating systems, allows local users to overwrite files via a symlink attack on temporary files.
CVE-2015-2697 6 Canonical, Debian, Mit and 3 more 9 Ubuntu Linux, Debian Linux, Kerberos 5 and 6 more 2021-02-02 4.0 MEDIUM N/A
The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request.
CVE-2015-2695 6 Canonical, Debian, Mit and 3 more 9 Ubuntu Linux, Debian Linux, Kerberos 5 and 6 more 2021-02-02 5.0 MEDIUM N/A
lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect pointer read and process crash) via a crafted SPNEGO packet that is mishandled during a gss_inquire_context call.
CVE-2013-1418 3 Debian, Mit, Opensuse 3 Debian Linux, Kerberos 5, Opensuse 2021-02-02 4.3 MEDIUM N/A
The setup_server_realm function in main.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.7, when multiple realms are configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request.
CVE-2014-4341 4 Debian, Fedoraproject, Mit and 1 more 10 Debian Linux, Fedora, Kerberos 5 and 7 more 2021-02-02 5.0 MEDIUM N/A
MIT Kerberos 5 (aka krb5) before 1.12.2 allows remote attackers to cause a denial of service (buffer over-read and application crash) by injecting invalid tokens into a GSSAPI application session.
CVE-2014-5353 7 Canonical, Debian, Fedoraproject and 4 more 12 Ubuntu Linux, Debian Linux, Fedora and 9 more 2021-02-02 3.5 LOW N/A
The krb5_ldap_get_password_policy_from_dn function in plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c in MIT Kerberos 5 (aka krb5) before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (daemon crash) via a successful LDAP query with no results, as demonstrated by using an incorrect object type for a password policy.
CVE-2010-1321 7 Canonical, Debian, Fedoraproject and 4 more 7 Ubuntu Linux, Debian Linux, Fedora and 4 more 2021-02-02 6.8 MEDIUM N/A
The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.
CVE-2015-2696 5 Canonical, Debian, Mit and 2 more 8 Ubuntu Linux, Debian Linux, Kerberos 5 and 5 more 2021-02-02 7.1 HIGH N/A
lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect pointer read and process crash) via a crafted IAKERB packet that is mishandled during a gss_inquire_context call.
CVE-2002-2443 6 Canonical, Debian, Fedoraproject and 3 more 10 Ubuntu Linux, Debian Linux, Fedora and 7 more 2021-02-02 5.0 MEDIUM N/A
schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does not properly validate UDP packets before sending responses, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged packet that triggers a communication loop, as demonstrated by krb_pingpong.nasl, a related issue to CVE-1999-0103.
CVE-2013-1416 4 Fedoraproject, Mit, Opensuse and 1 more 8 Fedora, Kerberos 5, Opensuse and 5 more 2021-02-02 4.0 MEDIUM N/A
The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.
CVE-2013-1415 2 Mit, Opensuse 2 Kerberos 5, Opensuse 2021-02-02 5.0 MEDIUM N/A
The pkinit_check_kdc_pkid function in plugins/preauth/pkinit/pkinit_crypto_openssl.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 and 1.11.x before 1.11.1 does not properly handle errors during extraction of fields from an X.509 certificate, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed KRB5_PADATA_PK_AS_REQ AS-REQ request.
CVE-2012-1016 1 Mit 1 Kerberos 5 2021-02-02 5.0 MEDIUM N/A
The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 attempts to find an agility KDF identifier in inappropriate circumstances, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted Draft 9 request.
CVE-2007-2798 3 Canonical, Debian, Mit 3 Ubuntu Linux, Debian Linux, Kerberos 5 2021-02-02 9.0 HIGH N/A
Stack-based buffer overflow in the rename_principal_2_svc function in kadmind for MIT Kerberos 1.5.3, 1.6.1, and other versions allows remote authenticated users to execute arbitrary code via a crafted request to rename a principal.
CVE-2007-2442 3 Canonical, Debian, Mit 3 Ubuntu Linux, Debian Linux, Kerberos 5 2021-02-02 10.0 HIGH N/A
The gssrpc__svcauth_gssapi function in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a zero-length RPC credential, which causes kadmind to free an uninitialized pointer during cleanup.
CVE-2007-2443 3 Canonical, Debian, Mit 3 Ubuntu Linux, Debian Linux, Kerberos 5 2021-02-02 8.3 HIGH N/A
Integer signedness error in the gssrpc__svcauth_unix function in svc_auth_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a negative length value.
CVE-2007-0957 3 Canonical, Debian, Mit 3 Ubuntu Linux, Debian Linux, Kerberos 5 2021-02-02 9.0 HIGH N/A
Stack-based buffer overflow in the krb5_klog_syslog function in the kadm5 library, as used by the Kerberos administration daemon (kadmind) and Key Distribution Center (KDC), in MIT krb5 before 1.6.1 allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via crafted arguments, possibly involving certain format string specifiers.
CVE-2007-0956 3 Canonical, Debian, Mit 3 Ubuntu Linux, Debian Linux, Kerberos 5 2021-02-02 10.0 HIGH N/A
The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.
CVE-2007-1216 3 Canonical, Debian, Mit 3 Ubuntu Linux, Debian Linux, Kerberos 5 2021-02-02 9.0 HIGH N/A
Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an "an invalid direction encoding".
CVE-2004-1189 1 Mit 1 Kerberos 5 2021-02-02 7.2 HIGH N/A
The add_to_history function in svr_principal.c in libkadm5srv for MIT Kerberos 5 (krb5) up to 1.3.5, when performing a password change, does not properly track the password policy's history count and the maximum number of keys, which can cause an array index out-of-bounds error and may allow authenticated users to execute arbitrary code via a heap-based buffer overflow.
CVE-2006-6144 1 Mit 1 Kerberos 5 2021-02-02 5.0 MEDIUM N/A
The "mechglue" abstraction interface of the GSS-API library for Kerberos 5 1.5 through 1.5.1, as used in Kerberos administration daemon (kadmind) and other products that use this library, allows remote attackers to cause a denial of service (crash) via unspecified vectors that cause mechglue to free uninitialized pointers.
CVE-2004-0643 3 Debian, Mit, Redhat 5 Debian Linux, Kerberos 5, Enterprise Linux Desktop and 2 more 2021-02-02 4.6 MEDIUM N/A
Double free vulnerability in the krb5_rd_cred function for MIT Kerberos 5 (krb5) 1.3.1 and earlier may allow local users to execute arbitrary code.
CVE-2004-0642 3 Debian, Mit, Redhat 5 Debian Linux, Kerberos 5, Enterprise Linux Desktop and 2 more 2021-02-02 7.5 HIGH N/A
Double free vulnerabilities in the error handling code for ASN.1 decoders in the (1) Key Distribution Center (KDC) library and (2) client library for MIT Kerberos 5 (krb5) 1.3.4 and earlier may allow remote attackers to execute arbitrary code.
CVE-2000-0547 3 Cygnus Network Security Project, Kerbnet Project, Mit 4 Cygnus Network Security, Kerbnet, Kerberos and 1 more 2021-02-02 5.0 MEDIUM N/A
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function.
CVE-2000-0546 3 Cygnus Network Security Project, Kerbnet Project, Mit 4 Cygnus Network Security, Kerbnet, Kerberos and 1 more 2021-02-02 5.0 MEDIUM N/A
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
CVE-2000-0548 3 Cygnus Network Security Project, Kerbnet Project, Mit 4 Cygnus Network Security, Kerbnet, Kerberos and 1 more 2021-02-02 5.0 MEDIUM N/A
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the e_msg variable in the kerb_err_reply function.
CVE-2002-1235 3 Debian, Kth, Mit 4 Debian Linux, Kth Kerberos 4, Kth Kerberos 5 and 1 more 2020-01-21 10.0 HIGH N/A
The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, and (3) kadmind in KTH Kerberos 5 (Heimdal) before 0.5.1 when compiled with Kerberos 4 support, does not properly verify the length field of a request, which allows remote attackers to execute arbitrary code via a buffer overflow attack.
CVE-2000-0392 3 Cygnus, Mit, Redhat 5 Cygnus Network Security, Kerbnet, Kerberos and 2 more 2020-01-21 7.2 HIGH N/A
Buffer overflow in ksu in Kerberos 5 allows local users to gain root privileges.
CVE-2004-0772 1 Mit 2 Kerberos, Kerberos 5 2020-01-21 7.5 HIGH N/A
Double free vulnerabilities in error handling code in krb524d for MIT Kerberos 5 (krb5) 1.2.8 and earlier may allow remote attackers to execute arbitrary code.
CVE-2001-0247 5 Freebsd, Mit, Netbsd and 2 more 5 Freebsd, Kerberos 5, Netbsd and 2 more 2020-01-21 10.0 HIGH N/A
Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} sequence, as seen in (1) g_opendir, (2) g_lstat, (3) g_stat, and (4) the glob0 buffer as used in the glob functions glob2 and glob3.
CVE-2004-0523 4 Mit, Sgi, Sun and 1 more 7 Kerberos, Kerberos 5, Propack and 4 more 2020-01-21 10.0 HIGH N/A
Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.
CVE-2000-0550 2 Cygnus, Mit 4 Cygnus Network Security, Kerbnet, Kerberos and 1 more 2020-01-21 5.0 MEDIUM N/A
Kerberos 4 KDC program improperly frees memory twice (aka "double-free"), which allows remote attackers to cause a denial of service.
CVE-2000-0549 2 Cygnus, Mit 4 Cygnus Network Security, Kerbnet, Kerberos and 1 more 2020-01-21 5.0 MEDIUM N/A
Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request.
CVE-2000-0390 3 Cygnus, Mit, Redhat 5 Cygnus Network Security, Kerbnet, Kerberos and 2 more 2020-01-21 10.0 HIGH N/A
Buffer overflow in krb425_conv_principal function in Kerberos 5 allows remote attackers to gain root privileges.
CVE-2000-0391 3 Cygnus, Mit, Redhat 5 Cygnus Network Security, Kerbnet, Kerberos and 2 more 2020-01-21 10.0 HIGH N/A
Buffer overflow in krshd in Kerberos 5 allows remote attackers to gain root privileges.
CVE-2003-0082 1 Mit 2 Kerberos, Kerberos 5 2020-01-21 5.0 MEDIUM N/A
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
CVE-2003-0072 1 Mit 2 Kerberos, Kerberos 5 2020-01-21 5.0 MEDIUM N/A
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka "array overrun").
CVE-2000-0389 3 Cygnus, Mit, Redhat 5 Cygnus Network Security, Kerbnet, Kerberos and 2 more 2020-01-21 10.0 HIGH N/A
Buffer overflow in krb_rd_req function in Kerberos 4 and 5 allows remote attackers to gain root privileges.
CVE-2000-0514 1 Mit 1 Kerberos 5 2020-01-21 10.0 HIGH N/A
GSSFTP FTP daemon in Kerberos 5 1.1.x does not properly restrict access to some FTP commands, which allows remote attackers to cause a denial of service, and local users to gain root privileges.
CVE-2009-0846 1 Mit 2 Kerberos, Kerberos 5 2020-01-21 10.0 HIGH N/A
The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
CVE-2015-2698 1 Mit 1 Kerberos 5 2020-01-21 8.5 HIGH N/A
The iakerb_gss_export_sec_context function in lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) 1.14 pre-release 2015-09-14 improperly accesses a certain pointer, which allows remote authenticated users to cause a denial of service (memory corruption) or possibly have unspecified other impact by interacting with an application that calls the gss_export_sec_context function. NOTE: this vulnerability exists because of an incorrect fix for CVE-2015-2696.
CVE-2012-1015 1 Mit 1 Kerberos 5 2020-01-21 9.3 HIGH N/A
The kdc_handle_protected_negotiation function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized pointer free, heap memory corruption, and daemon crash) via a crafted AS-REQ request.
CVE-2012-1014 1 Mit 1 Kerberos 5 2020-01-21 9.0 HIGH N/A
The process_as_req function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.10.x before 1.10.3 does not initialize a certain structure member, which allows remote attackers to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a malformed AS-REQ request.
CVE-2012-1012 1 Mit 1 Kerberos 5 2020-01-21 5.5 MEDIUM N/A
server/server_stubs.c in the kadmin protocol implementation in MIT Kerberos 5 (aka krb5) 1.10 before 1.10.1 does not properly restrict access to (1) SET_STRING and (2) GET_STRINGS operations, which might allow remote authenticated administrators to modify or read string attributes by leveraging the global list privilege.
CVE-2013-1417 1 Mit 1 Kerberos 5 2020-01-21 3.5 LOW N/A
do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.
CVE-2011-1527 1 Mit 1 Kerberos 5 2020-01-21 7.8 HIGH N/A
The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions.
CVE-2011-0285 1 Mit 1 Kerberos 5 2020-01-21 10.0 HIGH N/A
The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted request that triggers an error condition.
CVE-2011-1528 1 Mit 1 Kerberos 5 2020-01-21 7.8 HIGH N/A
The krb5_ldap_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, related to the locked_check_p function. NOTE: the Berkeley DB vector is covered by CVE-2011-4151.
CVE-2011-0284 1 Mit 1 Kerberos 5 2020-01-21 7.6 HIGH N/A
Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.