GLSA 200601-03: HylaFAX: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	HylaFAX: Multiple vulnerabilities
Date:	01/06/2006
Bugs:	#116389
ID:	200601-03

Synopsis

HylaFAX is vulnerable to arbitrary code execution and unauthorized access vulnerabilities.

Background

HylaFAX is an enterprise-class system for sending and receiving facsimile messages and for sending alpha-numeric pages.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/hylafax	< 4.2.3-r1	>= 4.2.3-r1	All supported architectures

Description

Patrice Fournier discovered that HylaFAX runs the notify script on untrusted user input. Furthermore, users can log in without a password when HylaFAX is installed with the pam USE-flag disabled.

Impact

An attacker could exploit the input validation vulnerability to run arbitrary code as the user running HylaFAX, which is usually uucp. The password vulnerability could be exploited to log in without proper user credentials.

Workaround

There is no known workaround at this time.

Resolution

All HylaFAX users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-misc/hylafax-4.2.3-r1"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200601-03.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.