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CVE-2011-4408 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://osvdb.org/82747	CVE
http://secunia.com/advisories/49448	CVE	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/76112	CVE
http://www.securityfocus.com/bid/53829	CVE
http://www.ubuntu.com/usn/USN-1464-1	CVE	PatchVendor Advisory
http://osvdb.org/82747	[email protected]
http://secunia.com/advisories/49448	[email protected]	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/76112	[email protected]
http://www.securityfocus.com/bid/53829	[email protected]
http://www.ubuntu.com/usn/USN-1464-1	[email protected]	PatchVendor Advisory

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[email protected]

Affected Products

Product	Versions
canonical ubuntu linux	11.04 11.10
CPE cpe:2.3:o:canonical:ubuntu_linux:11.04:::::::* cpe:2.3:o:canonical:ubuntu_linux:11.10:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 29, 2017	CVE Modified	[email protected]
Jun 18, 2012	Initial Analysis	[email protected]