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Last updated: 7/26/2014 1:02:05 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-1071

Original release date: 04/08/2011
Last revised: 01/26/2012
Source: US-CERT/NIST

Overview

The GNU C Library (aka glibc or libc6) before 2.12.2 and Embedded GLIBC (EGLIBC) allow context-dependent attackers to execute arbitrary code or cause a denial of service (memory consumption) via a long UTF8 string that is used in an fnmatch call, aka a "stack extension attack," a related issue to CVE-2010-2898, CVE-2010-1917, and CVE-2007-4782, as originally reported for use of this library by Google Chrome.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.1 (MEDIUM) (AV:N/AC:H/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: FULLDISC
Name: 20110226 Re: glibc and alloca()
Type: Patch Information
External Source: VUPEN
Name: ADV-2011-0863
Type: Advisory
External Source: SECUNIA
Name: 43989
Type: Advisory
External Source: MISC
Name: http://scarybeastsecurity.blogspot.com/2011/02/i-got-accidental-code-execution-via.html
External Source: MLIST
Name: [oss-security] 20110228 cve request: eglibc memory corruption
External Source: SREASON
Name: 8175
External Source: CONFIRM
Name: http://www.vmware.com/security/advisories/VMSA-2011-0012.html
External Source: CONFIRM
Name: http://code.google.com/p/chromium/issues/detail?id=48733
External Source: OVAL
Name: oval:org.mitre.oval:def:12853
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=681054
Type: Patch Information; Exploit
External Source: SECTRACK
Name: 1025290
External Source: MANDRIVA
Name: MDVSA-2011:178
External Source: CONFIRM
Name: http://bugs.debian.org/615120
External Source: SECUNIA
Name: 43830
Type: Advisory
External Source: CONFIRM
Name: http://sourceware.org/bugzilla/show_bug.cgi?id=11883
External Source: FULLDISC
Name: 20110224 glibc and alloca()
External Source: SECUNIA
Name: 43492
Type: Advisory
External Source: MLIST
Name: [oss-security] 20110228 Re: cve request: eglibc memory corruption
External Source: REDHAT
Name: RHSA-2011:0412
Type: Advisory
External Source: MLIST
Name: [oss-security] 20110228 Re: cve request: eglibc memory corruption
External Source: BID
Name: 46563
External Source: SECUNIA
Name: 46397
Type: Advisory
External Source: BUGTRAQ
Name: 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console
External Source: REDHAT
Name: RHSA-2011:0413
Type: Advisory
External Source: CONFIRM
Name: http://sourceware.org/git/?p=glibc.git;a=commit;h=f15ce4d8dc139523fe0c273580b604b2453acba6
Type: Patch Information

References to Check Content

Identifier: oval:org.mitre.oval:def:12853
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

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Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)