82747 : Ubuntu Single Sign On Client SSL Certificate Validation MitM Spoofing Weakness
Printer | http://osvdb.org/82747 | Email This | Edit Vulnerability

Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
8 432 12 months ago 3 months ago 4 times 100%

Timeline
Disclosure Date
2012-06-06

Description

Ubuntu contains a flaw related to the single sign on client. The issue is triggered due to the improper validation of certain SSL certificates. This may allow an attacker to spoof a valid server and perform a man-in-the-middle attack.

Classification

 Location: Remote / Network Access
Attack Type: Cryptographic, Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

Upgrade to version 1.4.1-0ubuntu1.1, 1.2.1-0ubuntu2.1, or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products
Canonical Ltd.
Ubuntu
 11.10
11.04

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 6.8
Source: nvd.nist.gov | Generated: 2012-06-18 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1

Comments

Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

© Copyright 2002 - 2013 Open Source Vulnerability Database (OSVDB), All Rights Reserved.
Privacy Statement - Terms of Use