CVE-2017-17805

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8", "name": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8", "tags": ["Issue Tracking", "Release Notes"], "refsource": "CONFIRM"}, {"url": "https://github.com/torvalds/linux/commit/ecaaab5649781c5a0effdaf298a925063020500e", "name": "https://github.com/torvalds/linux/commit/ecaaab5649781c5a0effdaf298a925063020500e", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ecaaab5649781c5a0effdaf298a925063020500e", "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ecaaab5649781c5a0effdaf298a925063020500e", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "https://www.debian.org/security/2017/dsa-4073", "name": "DSA-4073", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "http://www.securityfocus.com/bid/102291", "name": "102291", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00016.html", "name": "openSUSE-SU-2018:0023", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00014.html", "name": "openSUSE-SU-2018:0022", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00008.html", "name": "SUSE-SU-2018:0012", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html", "name": "SUSE-SU-2018:0011", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00006.html", "name": "SUSE-SU-2018:0010", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "https://www.debian.org/security/2018/dsa-4082", "name": "DSA-4082", "tags": [], "refsource": "DEBIAN"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00004.html", "name": "[debian-lts-announce] 20180107 [SECURITY] [DLA 1232-1] linux security update", "tags": [], "refsource": "MLIST"}, {"url": "https://usn.ubuntu.com/3617-2/", "name": "USN-3617-2", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3617-1/", "name": "USN-3617-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3620-2/", "name": "USN-3620-2", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3620-1/", "name": "USN-3620-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3619-1/", "name": "USN-3619-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3617-3/", "name": "USN-3617-3", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3619-2/", "name": "USN-3619-2", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3632-1/", "name": "USN-3632-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://access.redhat.com/errata/RHSA-2018:3096", "name": "RHSA-2018:3096", "tags": [], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2018:3083", "name": "RHSA-2018:3083", "tags": [], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2018:2948", "name": "RHSA-2018:2948", "tags": [], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2019:2473", "name": "RHSA-2019:2473", "tags": [], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The Salsa20 encryption algorithm in the Linux kernel before 4.14.8 does not correctly handle zero-length inputs, allowing a local attacker able to use the AF_ALG-based skcipher interface (CONFIG_CRYPTO_USER_API_SKCIPHER) to cause a denial of service (uninitialized-memory free and kernel crash) or have unspecified other impact by executing a crafted sequence of system calls that use the blkcipher_walk API. Both the generic implementation (crypto/salsa20_generic.c) and x86 implementation (arch/x86/crypto/salsa20_glue.c) of Salsa20 were vulnerable."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-17805", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2017-12-20T23:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.14.8"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_server:12:sp2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse_project:leap:42.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_server_for_raspberry_pi:12:sp2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_server:11:extra:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_server:12:sp3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_desktop:12:sp2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:linux_enterprise_desktop:12:sp3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-10-31T10:29Z"}