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Vulnerability Details : CVE-2013-0242

Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.
Publish Date : 2013-02-08 Last Update Date : 2014-01-03
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowMemory corruption
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2013-0769 -- glibc security and bug fix update (low) oval:org.mitre.oval:def:27367 unix
ELSA-2013-1605 -- glibc security, bug fix, and enhancement update (moderate) oval:org.mitre.oval:def:27188 unix
ELSA-2013:0769: glibc security and bug fix update (Low) oval:org.mitre.oval:def:23352 unix
RHSA-2013-1605: glibc security, bug fix, and enhancement update (Moderate) oval:org.mitre.oval:def:26244 unix
RHSA-2013:0769: glibc security and bug fix update (Low) oval:org.mitre.oval:def:20773 unix
RHSA-2013:0769: glibc security and bug fix update (Low) oval:com.redhat.rhsa:def:20130769 unix
RHSA-2013:1605 -- glibc security, bug fix, and enhancement update (Moderate) oval:org.mitre.oval:def:26695 unix
SUSE-SU-2013:1852-1 -- Security update for glibc oval:org.mitre.oval:def:25129 unix
SUSE-SU-2013:1854-1 -- Security update for glibc oval:org.mitre.oval:def:25513 unix
SUSE-SU-2014:1128-1 -- Security update for glibc oval:org.mitre.oval:def:26817 unix
SUSE-SU-2014:1122-1 -- Security update for glibc oval:org.mitre.oval:def:26627 unix
USN-1991-1 -- eglibc vulnerabilities oval:org.mitre.oval:def:19151 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-0242

# Product Type Vendor Product Version Update Edition Language
1 Application GNU Glibc 2.17 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
GNU Glibc 1

- References For CVE-2013-0242

http://www.ubuntu.com/usn/USN-1991-1
UBUNTU USN-1991-1
http://www.securitytracker.com/id/1028063
SECTRACK 1028063
http://www.securityfocus.com/bid/57638
BID 57638 GNU glibc 'regexec.c' Buffer Overflow Vulnerability Release Date:2014-09-16
http://www.openwall.com/lists/oss-security/2013/01/30/5
MLIST [oss-security] 20130130 Re: CVE Request -- glibc: DoS due to a buffer overrun in regexp matcher by processing multibyte characters
http://www.mandriva.com/security/advisories?name=MDVSA-2013:163
MANDRIVA MDVSA-2013:163
http://osvdb.org/89747
OSVDB 89747
http://secunia.com/advisories/51951
SECUNIA 51951
http://rhn.redhat.com/errata/RHSA-2013-1605.html
REDHAT RHSA-2013:1605
http://sourceware.org/ml/libc-alpha/2013-01/msg00967.html
MLIST [libc-alpha] 20130129 [PATCH] Fix buffer overrun in regexp matcher
http://secunia.com/advisories/55113
SECUNIA 55113
http://xforce.iss.net/xforce/xfdb/81707
XF glibc-extendbuffers-dos(81707)
http://rhn.redhat.com/errata/RHSA-2013-0769.html
REDHAT RHSA-2013:0769
http://sourceware.org/bugzilla/show_bug.cgi?id=15078

- Metasploit Modules Related To CVE-2013-0242

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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