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Gentoo: 201207-09 mod_fcgid: Multiple vulnerabilities Print E-mail
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Posted by Benjamin D. Thomas   
Gentoo Multiple vulnerabilities have been found in mod_fcgid, allowing execution of arbitrary code or Denial of Service.
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Gentoo Linux Security Advisory                           GLSA 201207-09
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                                            http://security.gentoo.org/
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 Severity: High
    Title: mod_fcgid: Multiple vulnerabilities
     Date: July 09, 2012
     Bugs: #344685, #409373
       ID: 201207-09

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Synopsis
Multiple vulnerabilities have been found in mod_fcgid, allowing
execution of arbitrary code or Denial of Service.

Background
=========
mod_fcgid is a binary-compatible alternative to mod_fastcgi with better
process management.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  www-apache/mod_fcgid         < 2.3.7                    >= 2.3.7

Description
==========
Multiple vulnerabilities have been found in mod_fcgid:

* An error in the "fcgid_header_bucket_read()" function in
  fcgid_bucket.c could cause a stack-based buffer overflow
  (CVE-2010-3872).
* An error in the "is_spawn_allowed() function in fcgid_spawn_ctl.c
  prevents Apache from recognizing the FcgidMaxProcessesPerClass
  directive for a virtual host (CVE-2012-1181).

Impact
=====
A local attacker could possibly execute arbitrary code with the
privileges of the process or cause a Denial of Service condition.
Furthermore, a remote attacker could send specially crafted HTTP
requests, possibly resulting in a Denial of Service condition.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All mod_fcgid users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apache/mod_fcgid-2.3.7"

References
=========
[ 1 ] CVE-2010-3872
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3872
[ 2 ] CVE-2012-1181
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1181

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 http://security.gentoo.org/glsa/glsa-201207-09.xml

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2012 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5
 
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