lighttpd: Denial of Service

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 201006-17 / lighttpd
Release Date	June 03, 2010
Latest Revision	June 03, 2010: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-servers/lighttpd	< 1.4.25-r1	>= 1.4.25-r1	All supported architectures

Related bugreports: #303213

Synopsis

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

2. Impact Information

Background

lighttpd is a lightweight high-performance web server.

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.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All lighttpd users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-servers/lighttpd-1.4.25-r1"

4. References

CVE-2010-0295

Page updated June 03, 2010

Summary: This is a Gentoo Linux Security Advisory

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