CVE-2015-8370

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173703.html", "name": "FEDORA-2015-cebe5133e7", "tags": [], "refsource": "FEDORA"}, {"url": "http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html", "name": "http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html", "tags": ["Exploit"], "refsource": "MISC"}, {"url": "http://www.openwall.com/lists/oss-security/2015/12/15/6", "name": "[oss-security] 20151215 Back to 28: Grub2 Authentication Bypass 0-Day [CVE-2015-8370]", "tags": [], "refsource": "MLIST"}, {"url": "http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html", "name": "http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html", "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html", "tags": [], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/79358", "name": "79358", "tags": [], "refsource": "BID"}, {"url": "http://packetstormsecurity.com/files/134831/Grub2-Authentication-Bypass.html", "name": "http://packetstormsecurity.com/files/134831/Grub2-Authentication-Bypass.html", "tags": [], "refsource": "MISC"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00041.html", "name": "SUSE-SU-2015:2387", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00037.html", "name": "openSUSE-SU-2015:2375", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00039.html", "name": "SUSE-SU-2015:2385", "tags": [], "refsource": "SUSE"}, {"url": "http://www.debian.org/security/2015/dsa-3421", "name": "DSA-3421", "tags": [], "refsource": "DEBIAN"}, {"url": "http://www.ubuntu.com/usn/USN-2836-1", "name": "USN-2836-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00044.html", "name": "SUSE-SU-2015:2399", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00043.html", "name": "openSUSE-SU-2015:2392", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00040.html", "name": "SUSE-SU-2015:2386", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00003.html", "name": "openSUSE-SU-2016:0036", "tags": [], "refsource": "SUSE"}, {"url": "http://seclists.org/fulldisclosure/2015/Dec/69", "name": "20151216 Back to 28: Grub2 Authentication Bypass 0-Day [CVE-2015-8370]", "tags": [], "refsource": "FULLDISC"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-2623.html", "name": "RHSA-2015:2623", "tags": [], "refsource": "REDHAT"}, {"url": "http://www.securitytracker.com/id/1034422", "name": "1034422", "tags": [], "refsource": "SECTRACK"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174049.html", "name": "FEDORA-2015-90c27b6e91", "tags": [], "refsource": "FEDORA"}, {"url": "https://security.gentoo.org/glsa/201512-03", "name": "GLSA-201512-03", "tags": [], "refsource": "GENTOO"}, {"url": "http://www.securityfocus.com/archive/1/537115/100/0/threaded", "name": "20151215 Back to 28: Grub2 Authentication Bypass 0-Day [CVE-2015-8370]", "tags": [], "refsource": "BUGTRAQ"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Multiple integer underflows in Grub2 1.98 through 2.02 allow physically proximate attackers to bypass authentication, obtain sensitive information, or cause a denial of service (disk corruption) via backspace characters in the (1) grub_username_get function in grub-core/normal/auth.c or the (2) grub_password_get function in lib/crypto.c, which trigger an \"Off-by-two\" or \"Out of bounds overwrite\" memory error."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-264"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2015-8370", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "MEDIUM", "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2015-12-16T21:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gnu:grub2:1.98:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:gnu:grub2:1.99:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:gnu:grub2:2.00:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:gnu:grub2:2.01:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:gnu:grub2:2.02:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-10-09T19:58Z"}