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Last updated: 8/30/2014 10:14:35 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-4052

Original release date: 01/13/2011
Last revised: 07/19/2011
Source: US-CERT/NIST

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 v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: BID
Name: 45233
External Source: SECUNIA
Name: 42547
Type: Advisory
External Source: FULLDISC
Name: 20110107 GNU libc/regcomp(3) Multiple Vulnerabilities
External Source: SECTRACK
Name: 1024832
US-CERT Vulnerability Note: CERT-VN
Name: VU#912279
External Source: MISC
Name: http://cxib.net/stuff/proftpd.gnu.c
Type: Patch Information
External Source: EXPLOIT-DB
Name: 15935
External Source: BUGTRAQ
Name: 20110107 GNU libc/regcomp(3) Multiple Vulnerabilities
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=645859
External Source: SREASON
Name: 8003
External Source: SREASONRES
Name: 20110107 GNU libc/regcomp(3) Multiple Vulnerabilities

Technical Details

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