Vulnerability Details : CVE-2011-4408
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.
Threat overview for CVE-2011-4408
Top countries where our scanners detected CVE-2011-4408
Top open port discovered on systems with this issue
80
IPs affected by CVE-2011-4408 9
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2011-4408
Probability of exploitation activity in the next 30 days: 0.60%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 76 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-4408
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
References for CVE-2011-4408
-
http://www.ubuntu.com/usn/USN-1464-1
USN-1464-1: Ubuntu Single Sign On Client vulnerability | Ubuntu security noticesPatch;Vendor Advisory
-
http://www.securityfocus.com/bid/53829
Ubuntu 'ubuntu-sso-client' Package SSL Certificate Validation Information Disclosure Vulnerability
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/76112
ubuntu-sso-client package SSL information disclosure CVE-2011-4408 Vulnerability Report
Products affected by CVE-2011-4408
- cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*