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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2015-8370 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html CVE, MITRE Exploit 
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173703.html CVE, MITRE
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174049.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00037.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00039.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00040.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00041.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00043.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00044.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00003.html CVE, MITRE
http://packetstormsecurity.com/files/134831/Grub2-Authentication-Bypass.html CVE, MITRE
http://rhn.redhat.com/errata/RHSA-2015-2623.html CVE, MITRE
http://seclists.org/fulldisclosure/2015/Dec/69 CVE, MITRE
http://www.debian.org/security/2015/dsa-3421 CVE, MITRE
http://www.openwall.com/lists/oss-security/2015/12/15/6 CVE, MITRE
http://www.openwall.com/lists/oss-security/2024/01/15/3 CVE, MITRE
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html CVE, MITRE Patch 
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html CVE, MITRE
http://www.securityfocus.com/archive/1/537115/100/0/threaded CVE, MITRE
http://www.securityfocus.com/bid/79358 CVE, MITRE
http://www.securitytracker.com/id/1034422 CVE, MITRE
http://www.ubuntu.com/usn/USN-2836-1 CVE, MITRE
https://security.gentoo.org/glsa/201512-03 CVE, MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-264 Permissions, Privileges, and Access Controls cwe source acceptance level NIST  
CWE-191 Integer Underflow (Wrap or Wraparound) CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8370
NVD Published Date:
12/16/2015
NVD Last Modified:
04/12/2025
Source:
MITRE