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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ubuntu_linux | Canonical | 11.04 (including) | 11.04 (including) |
| Ubuntu_linux | Canonical | 11.10 (including) | 11.10 (including) |
| Ubuntu-sso-client | Ubuntu | natty | * |
| Ubuntu-sso-client | Ubuntu | oneiric | * |
References
- http://osvdb.org/82747
- http://secunia.com/advisories/49448
- http://www.securityfocus.com/bid/53829
- http://www.ubuntu.com/usn/USN-1464-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76112
- http://osvdb.org/82747
- http://secunia.com/advisories/49448
- http://www.securityfocus.com/bid/53829
- http://www.ubuntu.com/usn/USN-1464-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76112