Vulnerability Details : CVE-2012-0864
Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct format string attacks, and write to arbitrary memory via a large number of arguments.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2012-0864
Probability of exploitation activity in the next 30 days: 1.30%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 84 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2012-0864
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
CWE ids for CVE-2012-0864
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-0864
-
https://bugzilla.redhat.com/show_bug.cgi?id=794766
794766 – (CVE-2012-0864) CVE-2012-0864 glibc: FORTIFY_SOURCE format string protection bypass via "nargs" integer overflow
-
http://rhn.redhat.com/errata/RHSA-2012-0397.html
RHSA-2012:0397 - Security Advisory - Red Hat Customer Portal
-
http://www.securityfocus.com/bid/52201
GNU glibc 'nargs' Integer Overflow Security Bypass VulnerabilityExploit
-
http://rhn.redhat.com/errata/RHSA-2012-0531.html
RHSA-2012:0531 - Security Advisory - Red Hat Customer Portal
-
http://sourceware.org/ml/libc-alpha/2012-02/msg00023.html
Kees Cook - [PATCH] vfprintf: validate nargs and positional offsetsExploit
-
http://www.phrack.org/issues.html?issue=67&id=9#article
.:: Phrack Magazine ::.Exploit
-
http://rhn.redhat.com/errata/RHSA-2012-0393.html
RHSA-2012:0393 - Security Advisory - Red Hat Customer Portal
-
http://rhn.redhat.com/errata/RHSA-2012-0488.html
RHSA-2012:0488 - Security Advisory - Red Hat Customer Portal
-
http://sourceware.org/git/?p=glibc.git%3Ba=commitdiff%3Bh=7c1f4834d398163d1ac8101e35e9c36fc3176e6e
sourceware.org Git
Products affected by CVE-2012-0864
- cpe:2.3:a:gnu:glibc:2.14:*:*:*:*:*:*:*