Analog: Denial of Service

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200903-40 / analog
Release Date	March 29, 2009
Latest Revision	March 29, 2009: 01
Impact	normal
Exploitable	local

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-admin/analog	< 6.0-r2	>= 6.0-r2	All supported architectures

Related bugreports: #249140

Synopsis

A Denial of Service vulnerability was discovered in Analog.

2. Impact Information

Background

Analog is a a webserver log analyzer.

Description

Diego E. Petteno reported that the Analog package in Gentoo is built with its own copy of bzip2, making it vulnerable to CVE-2008-1372 (GLSA 200804-02).

Impact

A local attacker could place specially crafted log files into a log directory being analyzed by analog, e.g. /var/log/apache, resulting in a crash when being processed by the application.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Analog users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-admin/analog-6.0-r2"

NOTE: Analog is now linked against the system bzip2 library.

4. References

Page updated March 29, 2009

Summary: This is a Gentoo Linux Security Advisory

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