Login
Newsletter
Werbung

Sicherheit: Mangelnde Prüfung von Zugriffsrechten in uw-imap
Aktuelle Meldungen Distributionen
Name: Mangelnde Prüfung von Zugriffsrechten in uw-imap
ID: 200502-02
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Do, 3. Februar 2005, 12:00
Referenzen: https://www.kb.cert.org/vuls/id/702777
Applikationen: UW IMAP Server

Originalnachricht

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200502-02
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: UW IMAP: CRAM-MD5 authentication bypass
Date: February 02, 2005
Bugs: #79874
ID: 200502-02

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

UW IMAP contains a vulnerability in the code handling CRAM-MD5
authentication allowing authentication bypass.

Background
==========

UW IMAP is the University of Washington IMAP toolkit which includes
POP3 and IMAP daemons.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-mail/uw-imap <= 2004a >= 2004b

Description
===========

A logic bug in the code handling CRAM-MD5 authentication incorrectly
specifies the condition for successful authentication.

Impact
======

An attacker could exploit this vulnerability to authenticate as any
mail user on a server with CRAM-MD5 authentication enabled.

Workaround
==========

Disable CRAM-MD5 authentication.

Resolution
==========

All UW IMAP users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/uw-imap-2004b"

References
==========

[ 1 ] US-CERT VU#702777
http://www.kb.cert.org/vuls/id/702777

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200502-02.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
http://bugs.gentoo.org.

License
=======

Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0
Pro-Linux
Pro-Linux @Facebook
Neue Nachrichten
Werbung