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GLSA 200504-14: monkeyd: Multiple vulnerabilities
Posted by Philipp Esselbach on: 04/15/2005 11:11 AM [ Print | 0 comment(s) ]
A monkeyd security update is available for Gentoo Linux
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Gentoo Linux Security Advisory GLSA 200504-14
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http://security.gentoo.org/
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Severity: High
Title: monkeyd: Multiple vulnerabilities
Date: April 15, 2005
Bugs: #87916
ID: 200504-14
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Synopsis
=======
Format string and Denial of Service vulnerabilities have been discovered in the monkeyd HTTP server, potentially resulting in the execution of arbitrary code.
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Gentoo Linux Security Advisory GLSA 200504-14
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High
Title: monkeyd: Multiple vulnerabilities
Date: April 15, 2005
Bugs: #87916
ID: 200504-14
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
=======
Format string and Denial of Service vulnerabilities have been discovered in the monkeyd HTTP server, potentially resulting in the execution of arbitrary code.
Background
=========
monkeyd is a fast, efficient, small and easy to configure web server for Linux.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
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1 www-servers/monkeyd lt; 0.9.1 gt;= 0.9.1
Description
==========
Tavis Ormandy of the Gentoo Linux Security Audit Team discovered a double expansion error in monkeyd, resulting in a format string vulnerability. Ciaran McCreesh of Gentoo Linux discovered a Denial of Service vulnerability, a syntax error caused monkeyd to zero out unallocated memory should a zero byte file be requested.
Impact
=====
The format string vulnerability could allow an attacker to send a specially crafted request to the monkeyd server, resulting in the execution of arbitrary code with the permissions of the user running monkeyd. The DoS vulnerability could allow an attacker to disrupt the operation of the web server, should a zero byte file be accessible.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All monkeyd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose "gt;=www-servers/monkeyd-0.9.1"
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200504-14.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 http://bugs.gentoo.org.
License
======
Copyright 2005 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/2.0
=========
monkeyd is a fast, efficient, small and easy to configure web server for Linux.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-servers/monkeyd lt; 0.9.1 gt;= 0.9.1
Description
==========
Tavis Ormandy of the Gentoo Linux Security Audit Team discovered a double expansion error in monkeyd, resulting in a format string vulnerability. Ciaran McCreesh of Gentoo Linux discovered a Denial of Service vulnerability, a syntax error caused monkeyd to zero out unallocated memory should a zero byte file be requested.
Impact
=====
The format string vulnerability could allow an attacker to send a specially crafted request to the monkeyd server, resulting in the execution of arbitrary code with the permissions of the user running monkeyd. The DoS vulnerability could allow an attacker to disrupt the operation of the web server, should a zero byte file be accessible.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All monkeyd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose "gt;=www-servers/monkeyd-0.9.1"
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200504-14.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 http://bugs.gentoo.org.
License
======
Copyright 2005 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/2.0
