National Cyber Awareness System
Vulnerability Summary for CVE-2009-4100
Original release date:11/29/2009
Last revised:12/19/2009
Source:
US-CERT/NIST
Overview
Yoono extension before 6.1.1 for Firefox performs certain operations with chrome privileges, which allows user-assisted remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via DOM event handlers such as onload.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
Per info from the following advisory:
http://www.net-security.org/secworld.php?id=8527
Raised the score to CIA:complete
NVD received information from Yoono development team on December 4, 2009 that the affected versions are in fact 6.1.0 and previous. NVD adjusted affected versions accordingly because of this new information.
Solution
NVD received information from Yoono development team on December 4, 2009 that the fixed version is in fact 6.1.1. A patch can be found at the following URL:
https://addons.mozilla.org/en-US/firefox/addons/versions/1833
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References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://addons.mozilla.org/en-US/firefox/addons/versions/1833#version-6.1.1
External Source: XF
Name: yoonoo-domevent-xss(54417)
External Source: VUPEN
Name: ADV-2009-3326
Type: Advisory
External Source: BID
Name: 37123
External Source: MISC
Name: http://www.net-security.org/secworld.php?id=8527
External Source: SECUNIA
Name: 37468
Type: Advisory