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Gentoo: GLSA 201207-09 High: mod_fcgid Code Execution And Denial of Service

gentoo
Calendar Grey July 9, 2012
Dist Gentoo Esm H88
Delve into Gentoo's GLSA 201207-09: Critical threats in mod_fcgid posing risks to system integrity and reliability.
Multiple vulnerabilities have been found in mod_fcgid, allowing execution of arbitrary code or Denial of Service.

Summary

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).

Topics%20covered

Topics Covered

security advisory Gentoo high severity security issue arbitrary code execution Denial of Service mod_fcgid

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: https://security.gentoo.org/glsa/201207-09
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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.

Severity: High
Title: mod_fcgid: Multiple vulnerabilities
Date: July 09, 2012
Bugs: #344685, #409373
ID: 201207-09

Topics%20covered

Topics Covered

security advisory Gentoo high severity security issue arbitrary code execution Denial of Service mod_fcgid

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.

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Affected Packages

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

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.

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