[ GLSA 200604-09 ] Cyrus-SASL: DIGEST-MD5 Pre-Authentication Denial of Service

[GLSA]

Gentoo Linux Security Advisory

Title: Cyrus-SASL: DIGEST-MD5 Pre-Authentication Denial of Service (GLSA 200604-09)
Severity: normal
Exploitable: remote
Date: April 21, 2006
Bug(s): #129523
ID: 200604-09

Synopsis

Cyrus-SASL contains a vulnerability in the DIGEST-MD5 process that could lead to a Denial of Service.

Background

Cyrus-SASL is an implementation of the Simple Authentication and Security Layer.

Affected Packages

Package: dev-libs/cyrus-sasl
Vulnerable: < 2.1.21-r2
Unaffected: >= 2.1.21-r2
Architectures: All supported architectures


Description

Cyrus-SASL contains an unspecified vulnerability in the DIGEST-MD5 process that could lead to a Denial of Service.

Impact

An attacker could possibly exploit this vulnerability by sending specially crafted data stream to the Cyrus-SASL server, resulting in a Denial of Service even if the attacker is not able to authenticate.

Workaround

There is no known workaround at this time.

Resolution

All Cyrus-SASL users should upgrade to the latest version: