Description
The Single Sign On Client (ubuntu-sso-client) for Ubuntu 11.04 and 11.10 does not properly validate SSL certificates when using HTTPS, which allows remote attackers to spoof a server and modify or read sensitive data via a man-in-the-middle (MITM) attack.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://osvdb.org/82747
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/76112
Patch, Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1464-1
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/53829
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/49448
Scores
EPSS
0.0124
EPSS Percentile
66.1%
Details
Status
published
Products (2)
canonical/ubuntu_linux
11.04
canonical/ubuntu_linux
11.10
Published
Jun 16, 2012
Tracked Since
Feb 18, 2026