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Last updated: 12/18/2014 9:26:33 AM

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Vulnerability Summary for CVE-2011-1928

Original release date: 05/24/2011
Last revised: 10/29/2012


The fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library 1.4.3 and 1.4.4, and the Apache HTTP Server 2.2.18, allows remote attackers to cause a denial of service (infinite loop) via a URI that does not match unspecified types of wildcard patterns, as demonstrated by attacks against mod_autoindex in httpd when a /*/WEB-INF/ configuration pattern is used. NOTE: this issue exists because of an incorrect fix for CVE-2011-0419.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 44558
Type: Advisory
External Source: REDHAT
Name: RHSA-2011:0844
External Source: HP
Name: SSRT100966
External Source: MLIST
Name: [oss-security] 20110519 CVE request: DoS in apr due to CVE-2011-0419 fix
External Source: MLIST
Name: [httpd-announce] 20110519 Regressions in httpd 2.2.18, apr 1.4.4, and apr-util 1.3.11
Type: Patch Information
External Source: MLIST
Name: [www-announce] 20110519 Regressions in httpd 2.2.18, apr 1.4.4, and apr-util 1.3.11
Type: Patch Information
External Source: CONFIRM
Name: https://issues.apache.org/bugzilla/show_bug.cgi?id=51219
External Source: SUSE
Name: SUSE-SU-2011:1229
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627182
External Source: VUPEN
Name: ADV-2011-1290
Type: Advisory
External Source: MLIST
Name: [oss-security] 20110519 Re: CVE request: DoS in apr due to CVE-2011-0419 fix
External Source: SECUNIA
Name: 44661
Type: Advisory
External Source: MANDRIVA
Name: MDVSA-2011:095
External Source: VUPEN
Name: ADV-2011-1289
Type: Advisory
External Source: SECUNIA
Name: 44780
External Source: SECUNIA
Name: 44613

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:apache:http_server:2.2.18
* cpe:/a:apache:apr-util:1.4.4
* cpe:/a:apache:apr-util:1.4.3

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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