CVE ID:	CVE-2015-8370
Description:	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.
Test IDs:	1.3.6.1.4.1.25623.1.0.105514   1.3.6.1.4.1.25623.1.0.121425   1.3.6.1.4.1.25623.1.0.871523   1.3.6.1.4.1.25623.1.0.122805   1.3.6.1.4.1.25623.1.1.13.2015.351.01   1.3.6.1.4.1.25623.1.0.851151   1.3.6.1.4.1.25623.1.1.4.2015.2387.1   1.3.6.1.4.1.25623.1.0.703421   1.3.6.1.4.1.25623.1.1.4.2015.2386.1   1.3.6.1.4.1.25623.1.1.4.2015.2385.1   1.3.6.1.4.1.25623.1.0.851189   1.3.6.1.4.1.25623.1.1.4.2015.2399.1   1.3.6.1.4.1.25623.1.0.806908   1.3.6.1.4.1.25623.1.1.1.2.2015.368   1.3.6.1.4.1.25623.1.0.131160   1.3.6.1.4.1.25623.1.0.842558   1.3.6.1.4.1.25623.1.0.851150
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2015-8370 BugTraq ID: 79358 http://www.securityfocus.com/bid/79358 Bugtraq: 20151215 Back to 28: Grub2 Authentication Bypass 0-Day [CVE-2015-8370] (Google Search) http://www.securityfocus.com/archive/1/537115/100/0/threaded Debian Security Information: DSA-3421 (Google Search) http://www.debian.org/security/2015/dsa-3421 http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174049.html http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173703.html http://seclists.org/fulldisclosure/2015/Dec/69 https://security.gentoo.org/glsa/201512-03 http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html http://packetstormsecurity.com/files/134831/Grub2-Authentication-Bypass.html http://www.openwall.com/lists/oss-security/2015/12/15/6 http://www.openwall.com/lists/oss-security/2024/01/15/3 RedHat Security Advisories: RHSA-2015:2623 http://rhn.redhat.com/errata/RHSA-2015-2623.html http://www.securitytracker.com/id/1034422 SuSE Security Announcement: SUSE-SU-2015:2385 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00039.html SuSE Security Announcement: SUSE-SU-2015:2386 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00040.html SuSE Security Announcement: SUSE-SU-2015:2387 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00041.html SuSE Security Announcement: SUSE-SU-2015:2399 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00044.html SuSE Security Announcement: openSUSE-SU-2015:2375 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00037.html SuSE Security Announcement: openSUSE-SU-2015:2392 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00043.html SuSE Security Announcement: openSUSE-SU-2016:0036 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00003.html http://www.ubuntu.com/usn/USN-2836-1