Firefox ESR 31.x < 31.5.2 JIT Code Execution

This script is Copyright (C) 2015 Tenable Network Security, Inc.


Synopsis :

The remote Windows host contains a web browser that is affected by a
remote code execution vulnerability.

Description :

The version of Mozilla Firefox ESR 31.x installed on the remote
Windows host is prior to 31.5.2. It is, therefore, affected by a
remote code execution vulnerability due to an out-of-bounds error in
typed array bounds checking within 'asmjs/AsmJSValidate.cpp',
which relates to just-in-time compilation for JavaScript. A remote
attacker, using a specially crafted web page, can exploit this to
execute arbitrary code by reading and writing to memory.

See also :

https://www.mozilla.org/en-US/security/advisories/mfsa2015-29/

Solution :

Upgrade to Firefox ESR 31.5.2 or later.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.1
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Windows

Nessus Plugin ID: 82038 ()

Bugtraq ID: 73263

CVE ID: CVE-2015-0817

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