Mozilla Thunderbird ESR 17.x < 17.0.4 nsHTMLEditor Use-After-Free

This script is Copyright (C) 2013-2017 Tenable Network Security, Inc.

Synopsis :

The remote Windows host contains a mail client that is potentially
affected by a use-after-free vulnerability.

Description :

The installed version of Thunderbird ESR 17.x is potentially affected
by a use-after-free vulnerability.

An error exists in the HTML editor (nsHTMLEditor) related to content
script and the calling of the function 'document.execCommand' while
internal editor operations are running. The previously freed memory can
be dereferenced and could lead to arbitrary code execution.

See also :

Solution :

Upgrade to Thunderbird ESR 17.0.4 or later.

Risk factor :

High / CVSS Base Score : 9.3
CVSS Temporal Score : 8.1
Public Exploit Available : true

Family: Windows

Nessus Plugin ID: 65192 ()

Bugtraq ID: 58391

CVE ID: CVE-2013-0787

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