Mozilla Firefox ESR < 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 ESR 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 ESR 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: 99124 ()

Bugtraq ID: 96959

CVE ID: CVE-2017-5428

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