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ubuntuUbuntuUSN-1464-1
HistoryJun 06, 2012 - 12:00 a.m.

Ubuntu Single Sign On Client vulnerability

2012-06-0600:00:00
ubuntu.com
33

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

AI Score

6.5

Confidence

Low

EPSS

0.006

Percentile

78.5%

Releases

  • Ubuntu 11.10
  • Ubuntu 11.04

Packages

  • ubuntu-sso-client - Ubuntu Single Sign-On client

Details

It was discovered that the Ubuntu Single Sign On Client incorrectly
validated server certificates when using HTTPS connections. If a remote
attacker were able to perform a machine-in-the-middle attack, this flaw could
be exploited to alter or compromise confidential information.

OSVersionArchitecturePackageVersionFilename
Ubuntu11.10noarchubuntu-sso-client< 1.4.1-0ubuntu1.1UNKNOWN
Ubuntu11.04noarchubuntu-sso-client< 1.2.1-0ubuntu2.1UNKNOWN

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

AI Score

6.5

Confidence

Low

EPSS

0.006

Percentile

78.5%