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

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

Affected Packages

dev-libs/cyrus-sasl on all architectures
Affected versions < 2.1.21-r2
Unaffected versions >= 2.1.21-r2

Background

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

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:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-libs/cyrus-sasl-2.1.21-r2"

References

Release Date
April 21, 2006

Latest Revision
April 21, 2006: 01

Severity
normal

Exploitable
remote

Bugzilla entries