National Cyber Awareness System

Vulnerability Summary for CVE-2010-4052

Overview

Stack consumption vulnerability in the regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (resource exhaustion) via a regular expression containing adjacent repetition operators, as demonstrated by a {10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#912279

Name: VU#912279

Hyperlink:http://www.kb.cert.org/vuls/id/912279

External Source: MISC

Name: http://cxib.net/stuff/proftpd.gnu.c

Type: Patch Information

Hyperlink:http://cxib.net/stuff/proftpd.gnu.c

External Source: MISC

Name: https://bugzilla.redhat.com/show_bug.cgi?id=645859

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=645859

External Source: BID

Name: 45233

Hyperlink:http://www.securityfocus.com/bid/45233

External Source: BUGTRAQ

Name: 20110107 GNU libc/regcomp(3) Multiple Vulnerabilities

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/515589/100/0/threaded

External Source: EXPLOIT-DB

Name: 15935

Hyperlink:http://www.exploit-db.com/exploits/15935

External Source: SECTRACK

Name: 1024832

Hyperlink:http://securitytracker.com/id?1024832

External Source: SREASON

Name: 8003

Hyperlink:http://securityreason.com/securityalert/8003

External Source: SREASONRES

Name: 20110107 GNU libc/regcomp(3) Multiple Vulnerabilities

Hyperlink:http://securityreason.com/achievement_securityalert/93

External Source: SECUNIA

Name: 42547

Type: Advisory

Hyperlink:http://secunia.com/advisories/42547

External Source: FULLDISC

Name: 20110107 GNU libc/regcomp(3) Multiple Vulnerabilities

Hyperlink:http://seclists.org/fulldisclosure/2011/Jan/78