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AUSCERT External Security Bulletin Redistribution
ESB-2008.0237 -- [UNIX/Linux]
lighttpd: Multiple vulnerabilities
6 March 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: lighttpd
Publisher: Gentoo
Operating System: UNIX variants (UNIX, Linux)
Impact: Denial of Service
Access Confidential Data
Access: Remote/Unauthenticated
CVE Names: CVE-2008-1111 CVE-2008-0983
Original Bulletin: http://security.gentoo.org/glsa/glsa-200803-10.xml
Comment: This advisory references vulnerabilities in products which run on
platforms other than Gentoo. It is recommended that administrators
running Lighttpd check for an updated version of the software for
their operating system.
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Gentoo Linux Security Advisory GLSA 200803-10
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http://security.gentoo.org/
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Severity: Normal
Title: lighttpd: Multiple vulnerabilities
Date: March 05, 2008
Bugs: #211230, #211956
ID: 200803-10
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Synopsis
========
Multiple vulnerabilities have been discovered in lighttpd.
Background
==========
lighttpd is a lightweight high-performance web server.
Affected packages
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-servers/lighttpd < 1.4.18-r2 >= 1.4.18-r2
Description
===========
lighttpd contains a calculation error when allocating the global file
descriptor array (CVE-2008-0983). Furthermore, it sends the source of a
CGI script instead of returning a 500 error (Internal Server Error)
when the fork() system call fails (CVE-2008-1111).
Impact
======
A remote attacker could exploit these vulnerabilities to cause a Denial
of Service or gain the source of a CGI script.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All lighttpd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-servers/lighttpd-1.4.18-r2"
References
==========
[ 1 ] CVE-2008-0983
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0983
[ 2 ] CVE-2008-1111
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1111
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200803-10.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 2008 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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