Mozilla Firefox < 52.0.1 CreateImageBitmap RCE (macOS)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote macOS or Mac OS X host contains a web browser that is
affected by a remote code execution vulnerability.

Description :

The version of Mozilla Firefox installed on the remote macOS or Mac
OS X host is prior to 52.0.1. It is, therefore, affected by an integer
overflow condition in the nsGlobalWindow::CreateImageBitmap() function
within file dom/base/nsGlobalWindow.cpp due to improper validation of
certain input. An unauthenticated, remote attacker can exploit this to
corrupt memory, possibly resulting in the execution of arbitrary code.

Note that this function runs in the content sandbox, requiring a
second vulnerability to compromise a user's computer.

See also :

https://www.mozilla.org/en-US/security/advisories/mfsa2017-08/

Solution :

Upgrade to Mozilla Firefox version 52.0.1 or later.

Risk factor :

High / CVSS Base Score : 7.6
(CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.3
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: MacOS X Local Security Checks

Nessus Plugin ID: 99123 ()

Bugtraq ID: 96959

CVE ID: CVE-2017-5428

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