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Mozilla Firefox Multiple Vulnerabilities Nov-09 (Linux)

Information

Severity

Severity

Critical

Family

Family

Buffer overflow

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

13 years ago

Modified

Modified

3 years ago

Summary

This host is installed with Mozilla Firefox browser and is prone to multiple vulnerabilities.

Insight

Insight

Muliple flaw are due to following errors, - An array indexing error exists when allocating space for floating point numbers. This can be exploited to trigger a memory corruption when a specially crafted floating point number is processed. - An error in the form history functionality can be exploited to disclose history entries via a specially crafted web page that triggers the automatic filling of form fields. - When parsing regular expressions used in Proxy Auto-configuration. This can be exploited to cause a crash or potentially execute arbitrary code via specially crafted configured PAC files. - When processing GIF, color maps can be exploited to cause a heap based buffer overflow and potentially execute arbitrary code via a specially crafted GIF file. - An error in the 'XPCVariant::VariantDataToJS()' XPCOM utility, which can be exploited to execute arbitrary JavaScript code with chrome privileges. - An error in the implementation of the JavaScript 'document.getSelection()' can be exploited to read text selected on a web page in a different domain. - An error when downloading files can be exploited to display different file names in the download dialog title bar and download dialog body. This can be exploited to obfuscate file names via a right-to-left override character and potentially trick a user into running an executable file.

Affected Software

Affected Software

Firefox version 3.0 before 3.0.15 and 3.5 before 3.5.4 on Linux.

Solution

Solution

Upgrade to Firefox version 3.0.15 or 3.5.4.