Canonical Linux 11.04/11.10 SSL Certificate authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Canonical Linux 11.04/11.10. This affects an unknown function of the component SSL Certificate. Such manipulation leads to authentication spoofing. This vulnerability is uniquely identified as CVE-2011-4408. No exploit exists.

Detailsinfo

A vulnerability was found in Canonical Linux 11.04/11.10. It has been rated as critical. Affected by this issue is an unknown functionality of the component SSL Certificate. The manipulation with an unknown input leads to a authentication spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 06/15/2012 (Website). The advisory is shared for download at ubuntu.com. This vulnerability is handled as CVE-2011-4408 since 11/07/2011. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 59395 (Ubuntu 11.04 / 11.10 : ubuntu-sso-client vulnerability (USN-1464-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (76112), Tenable (59395), SecurityFocus (BID 53829†), OSVDB (82747†) and Secunia (SA49448†). The entry VDB-60993 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59395
Nessus Name: Ubuntu 11.04 / 11.10 : ubuntu-sso-client vulnerability (USN-1464-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 841033
OpenVAS Name: Ubuntu Update for ubuntu-sso-client USN-1464-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/07/2011 🔍
06/06/2012 +212 days 🔍
06/06/2012 +0 days 🔍
06/07/2012 +1 days 🔍
06/07/2012 +0 days 🔍
06/15/2012 +8 days 🔍
06/15/2012 +0 days 🔍
06/19/2012 +4 days 🔍
03/23/2015 +1007 days 🔍
12/04/2021 +2447 days 🔍

Sourcesinfo

Advisory: USN-1464-1
Status: Not defined

CVE: CVE-2011-4408 (🔍)
GCVE (CVE): GCVE-0-2011-4408
GCVE (VulDB): GCVE-100-60992

OVAL: 🔍

X-Force: 76112
SecurityFocus: 53829 - Ubuntu 'ubuntu-sso-client' Package SSL Certificate Validation Information Disclosure Vulnerability
Secunia: 49448 - Ubuntu update for ubuntu-sso-client, Less Critical
OSVDB: 82747
Vulnerability Center: 35374 - Ubuntu Allows Spoofing, File Modification, and Information Disclosure, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/04/2021 00:39
Changes: 03/23/2015 16:50 (62), 04/13/2017 20:57 (12), 12/04/2021 00:30 (3), 12/04/2021 00:39 (1)
Complete: 🔍
Cache ID: 216::103

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