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[gentoo-announce] [ GLSA 201006-17 ] lighttpd: Denial of Service

Posted on 03 June 2010
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201006-17
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http://security.gentoo.org/
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Severity: Normal
Title: lighttpd: Denial of Service
Date: June 03, 2010
Bugs: #303213
ID: 201006-17

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Synopsis
========
A processing error in lighttpd might result in a Denial of Service
condition.

Background
==========
lighttpd is a lightweight high-performance web server.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-servers/lighttpd < 1.4.25-r1 >= 1.4.25-r1

Description
===========
Li Ming reported that lighttpd does not properly process packets that
are sent overly slow.

Impact
======
A remote attacker might send specially crafted packets to a server
running lighttpd, possibly resulting in a Denial of Service condition
via host memory exhaustion.

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-1.4.25-r1"

References
==========
[ 1 ] CVE-2010-0295
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0295

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

http://security.gentoo.org/glsa/glsa-201006-17.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 2010 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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