PEAR-Auth: Potential authentication bypass

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200603-13 / pear-auth
Release Date	March 17, 2006
Latest Revision	March 17, 2006: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
dev-php/PEAR-Auth	< 1.2.4	>= 1.2.4	All supported architectures

Related bugreports: #123832

Synopsis

PEAR-Auth did not correctly verify data passed to the DB and LDAP containers, thus allowing to inject false credentials to bypass the authentication.

2. Impact Information

Background

PEAR-Auth is a PEAR package that provides methods to create a PHP based authentication system.

Description

Matt Van Gundy discovered that PEAR-Auth did not correctly validate data passed to the DB and LDAP containers.

Impact

A remote attacker could possibly exploit this vulnerability to bypass the authentication mechanism by injecting specially crafted input to the underlying storage containers.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All PEAR-Auth users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-php/PEAR-Auth-1.2.4"

4. References

CVE-2006-0868

Page updated March 17, 2006

Summary: This is a Gentoo Linux Security Advisory

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