National Cyber Awareness System
Vulnerability Summary for CVE-2010-3171
Original release date:09/15/2010
Last revised:07/19/2011
Source:
US-CERT/NIST
Overview
The Math.random function in the JavaScript implementation in Mozilla Firefox 3.5.10 through 3.5.11, 3.6.4 through 3.6.8, and 4.0 Beta1 uses a random number generator that is seeded only once per document object, which makes it easier for remote attackers to track a user, or trick a user into acting upon a spoofed pop-up message, by calculating the seed value, related to a "temporary footprint" and an "in-session phishing attack." NOTE: this vulnerability exists because of an incorrect fix for CVE-2008-5913.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
4.9
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
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: https://bugzilla.mozilla.org/show_bug.cgi?id=577512
External Source: VUPEN
Name: ADV-2011-0061
External Source: MISC
Name: http://www.trusteer.com/sites/default/files/Cross_domain_Math_Random_leakage_in_FF_3.6.4-3.6.8.pdf
External Source: BID
Name: 43222
External Source: SECUNIA
Name: 42867
External Source: OVAL
Name: oval:org.mitre.oval:def:7370
External Source: CONFIRM
Name: http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox
External Source: BUGTRAQ
Name: 20100914 New writeup by Amit Klein (Trusteer): "Cross-domain information leakage in Firefox 3.6.4-3.6.8, Firefox 3.5.10-3.5.11 and Firefox 4.0 Beta1"
References to Check Content
Identifier:oval:org.mitre.oval:def:7370
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5