Firefox ESR < 38.2 Multiple Vulnerabilities

This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

The remote Windows host contains a web browser that is affected by
multiple vulnerabilities.

Description :

The version of Firefox ESR installed on the remote Windows host is
prior to 38.2. It is, therefore, affected by the following
vulnerabilities :

- Multiple memory corruption issues exist that allow a
remote attacker, via a specially crafted web page, to
corrupt memory and potentially execute arbitrary code.
(CVE-2015-4473)

- An out-of-bounds read error exists in the
PlayFromAudioQueue() function due to improper handling
of mismatched sample formats. A remote attacker can
exploit this, via a specially crafted MP3 file, to
disclose memory contents or execute arbitrary code.
(CVE-2015-4475)

- A same-origin policy bypass vulnerability exists due to
non-configurable properties being redefined in violation
of the ECMAScript 6 standard during JSON parsing. A
remote attacker can exploit this, by editing these
properties to arbitrary values, to bypass the
same-origin policy. (CVE-2015-4478)

- Multiple integer overflow conditions exist due to
improper validation of user-supplied input when handling
'saio' chunks in MPEG4 video. A remote attacker can
exploit this, via a specially crafted MPEG4 file, to
execute arbitrary code. (CVE-2015-4479)

- An integer overflow condition exists in the bundled
libstagefright component when handling H.264 media
content. A remote attacker can exploit this, via a
specially crafted MPEG4 file, to execute arbitrary code.
(CVE-2015-4480)

- An arbitrary file overwrite vulnerability exists in the
Mozilla Maintenance Service due to a race condition. An
attacker can exploit this, via the use of a hard link,
to overwrite arbitrary files with log output.
(CVE-2015-4481)

- An out-of-bounds write error exists due to an array
indexing flaw in the mar_consume_index() function when
handling index names in MAR files. An attacker can
exploit this to execute arbitrary code. (CVE-2015-4482)

- A denial of service vulnerability exists when handling
JavaScript using shared memory without properly gating
access to Atomics and SharedArrayBuffer views. An
attacker can exploit this to crash the program,
resulting in a denial of service condition.
(CVE-2015-4484)

- A heap-based buffer overflow condition exists in the
resize_context_buffers() function due to improper
validation of user-supplied input. A remote attacker can
exploit this, via specially crafted WebM content, to
cause a heap-based buffer overflow, resulting in the
execution of arbitrary code. (CVE-2015-4485)

- A heap-based buffer overflow condition exists in the
decrease_ref_count() function due to improper validation
of user-supplied input. A remote attacker can exploit
this, via specially crafted WebM content, to cause a
heap-based buffer overflow, resulting in the execution
of arbitrary code. (CVE-2015-4486)

- A buffer overflow condition exists in the ReplacePrep()
function. A remote attacker can exploit this to cause a
buffer overflow, resulting in the execution of arbitrary
code. (CVE-2015-4487)

- A use-after-free error exists in the operator=()
function. An attacker can exploit this to dereference
already freed memory, resulting in the execution of
arbitrary code. (CVE-2015-4488)

- A memory corruption issue exists in the nsTArray_Impl()
function due to improper validation of user-supplied
input during self-assignment. An attacker can exploit
this to corrupt memory, resulting in the execution of
arbitrary code. (CVE-2015-4489)

- A use-after-free error exists in the
XMLHttpRequest::Open() function due to improper handling
of recursive calls. An attacker can exploit this to
dereference already freed memory, resulting in the
execution of arbitrary code. (CVE-2015-4492)

- An integer underflow condition exists in the bundled
libstagefright library. An attacker can exploit this to
crash the application, resulting in a denial of service
condition. (CVE-2015-4493)

See also :

https://www.mozilla.org/en-US/security/advisories/mfsa2015-79/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-80/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-82/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-83/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-84/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-85/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-87/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-89/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-90/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-92/

Solution :

Upgrade to Firefox ESR 38.2 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 : 6.9
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

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