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Last updated: 7/28/2014 8:42:37 PM

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Vulnerability Summary for CVE-2012-0864

Original release date: 05/02/2013
Last revised: 05/03/2013
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: REDHAT
Name: RHSA-2012:0397
External Source: MISC
Name: http://www.phrack.org/issues.html?issue=67&id=9#article
External Source: BID
Name: 52201
External Source: MISC
Name: http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=7c1f4834d398163d1ac8101e35e9c36fc3176e6e
Type: Patch Information; Exploit
External Source: MLIST
Name: [libc-alpha] 20120202 [PATCH] vfprintf: validate nargs and positional offsets
External Source: REDHAT
Name: RHSA-2012:0393
External Source: REDHAT
Name: RHSA-2012:0531
External Source: REDHAT
Name: RHSA-2012:0488
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=794766

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