Apache HTTP Server APR apr_fnmatch resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apache HTTP Server. Affected is the function apr_fnmatch of the component APR. The manipulation leads to resource management. This vulnerability is referenced as CVE-2011-1928. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache HTTP Server (Web Server) (affected version unknown). It has been rated as critical. This issue affects the function apr_fnmatch of the component APR. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

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.

The weakness was published 05/20/2011 by Tanguy Ortolo with Apache Software Foundation (Website). It is possible to read the advisory at bugs.debian.org. The identification of this vulnerability is CVE-2011-1928 since 05/09/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 54610 (Mandriva Linux Security Advisory : apr (MDVSA-2011:095-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119915 (Solaris Apache HTTP Server Multiple Vulnerabilities).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at bugs.debian.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (67564), Tenable (54610), SecurityFocus (BID 47929†), Secunia (SA44661†) and Vulnerability Center (SBV-31582†). Similar entry is available at VDB-4352. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 54610
Nessus Name: Mandriva Linux Security Advisory : apr (MDVSA-2011:095-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 69737
OpenVAS Name: Debian Security Advisory DSA 2237-2 (apr)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: bugs.debian.org

Timelineinfo

05/09/2011 🔍
05/19/2011 +10 days 🔍
05/19/2011 +0 days 🔍
05/19/2011 +0 days 🔍
05/20/2011 +1 days 🔍
05/20/2011 +0 days 🔍
05/23/2011 +3 days 🔍
05/24/2011 +1 days 🔍
05/30/2011 +6 days 🔍
06/20/2011 +21 days 🔍
03/19/2021 +3560 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: bugs.debian.org
Researcher: Tanguy Ortolo
Organization: Apache Software Foundation
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1928 (🔍)
GCVE (CVE): GCVE-0-2011-1928
GCVE (VulDB): GCVE-100-4355

OVAL: 🔍
IAVM: 🔍

X-Force: 67564
SecurityFocus: 47929 - Apache APR 'apr_fnmatch.c' Denial of Service Vulnerability
Secunia: 44661 - Apache HTTP Server APR "apr_fnmatch()" Infinite Loop Denial of Service Vulnerabi, Moderately Critical
Vulnerability Center: 31582 - Apache Portable Runtime Library 1.4.3 and 1.4.4, and HTTP Server 2.2.18 Remote DoS Vulnerability, High
Vupen: ADV-2011-1289

See also: 🔍

Entryinfo

Created: 06/20/2011 02:00
Updated: 03/19/2021 10:28
Changes: 06/20/2011 02:00 (83), 04/16/2019 15:10 (12), 03/19/2021 10:28 (2)
Complete: 🔍
Cache ID: 216:987:103

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