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Mozilla Firefox Five Vulnerabilities

Report ID: SA200906318
Source: F-Secure
Date of Discovery: 16.12.2009
Criticality: Critical
Affects:
Mozilla Firefox 3.0.15

Compromise From: Unknown
Compromise Type: Spoofing
Privilege escalation

Summary

Five vulnerabilities have been reported in Mozilla Firefox, which can be exploited by malicious people to compromise a user's system.

Detailed Description

Five vulnerabilities have been reported in Mozilla Firefox, which can be exploited by malicious people to compromise a user's system.

1) Stability bugs in the browser engine used in Firefox and Mozilla-based products. Crashes show evidence of memory corruption. Successful exploitation allows execution of arbitrary code.

2) Mozilla's NTLM implementation was vulnerable to reflection attacks. NTLM credential from one application could be forwarded to another arbitrary application via browser.

3) A page loaded over insecure protocol will receive SSL indicators near location bar, but will not have page content modified.

4) Content window retains reference via window.opener propoerty. Can use reference to run arbitrary JavaScript code with chrome privileges.

5) GeckoActiveXObject exception messages can be used to enumerate COM objects and track browsin sessions.

Solution

Update to to version 3.0.16

1) Disable JavaScript until fixes are installed

Original Reference

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