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Last updated: 4/24/2014

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Vulnerability Summary for CVE-2011-1176

Original release date: 03/29/2011
Last revised: 09/06/2011
Source: US-CERT/NIST

Overview

The configuration merger in itk.c in the Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-01 and 2.2.11-02 for the Apache HTTP Server does not properly handle certain configuration sections that specify NiceValue but not AssignUserID, which might allow remote attackers to gain privileges by leveraging the root uid and root gid of an mpm-itk process.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/AU:N/C:N/I:P/A:N) (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 unauthorized modification

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External Source: MLIST
Name: [mpm-itk] 20110321 mpm-itk version 2.2.17-01 released
External Source: VUPEN
Name: ADV-2011-0749
Type: Advisory
External Source: XF
Name: apache-mtmitk-weak-security(66248)
External Source: VUPEN
Name: ADV-2011-0748
Type: Advisory
External Source: VUPEN
Name: ADV-2011-0824
External Source: DEBIAN
Name: DSA-2202
External Source: MANDRIVA
Name: MDVSA-2011:057
External Source: MLIST
Name: [oss-security] 20110321 Re: CVE request: MPM-ITK module for Apache HTTPD
Type: Patch Information
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=618857
Type: Patch Information
External Source: MLIST
Name: [mpm-itk] 20110321 CVE 2011-1176: Sometimes runs as root instead of the default Apache user
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20110320 CVE request: MPM-ITK module for Apache HTTPD
Type: Patch Information
External Source: BID
Name: 46953

Technical Details

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