GLSA 200411-02: Cherokee: Format string vulnerability

http://security.gentoo.org/

Severity:	high
Title:	Cherokee: Format string vulnerability
Date:	11/01/2004
Bugs:	#67667
ID:	200411-02

Synopsis

Cherokee contains a format string vulnerability that could lead to denial of service or the execution of arbitary code.

Background

Cherokee is an extra-light web server.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
www-servers/cherokee	<= 0.4.17	>= 0.4.17.1	All supported architectures

Description

Florian Schilhabel from the Gentoo Linux Security Audit Team found a format string vulnerability in the cherokee_logger_ncsa_write_string() function.

Impact

Using a specially crafted URL when authenticating via auth_pam, a malicious user may be able to crash the server or execute arbitrary code on the target machine with permissions of the user running Cherokee.

Workaround

There is no known workaround at this time.

Resolution

All Cherokee users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-servers/cherokee-0.4.17.1"

References

CVE-2004-1097

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200411-02.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.