Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : thunderbird vulnerabilities (USN-2973-1)

Ubuntu Security Notice (C) 2016 Canonical, Inc. / NASL script (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Christian Holler, Tyson Smith, and Phil Ringalda discovered multiple
memory safety issues in Thunderbird. If a user were tricked in to
opening a specially crafted message, an attacker could potentially
exploit these to cause a denial of service via application crash, or
execute arbitrary code. (CVE-2016-2805, CVE-2016-2807)

Hanno Bock discovered that calculations with mp_div and mp_exptmod in
NSS produce incorrect results in some circumstances, resulting in
cryptographic weaknesses. (CVE-2016-1938)

A use-after-free was discovered in ssl3_HandleECDHServerKeyExchange in
NSS. A remote attacker could potentially exploit this to cause a
denial of service via application crash, or execute arbitrary code.
(CVE-2016-1978)

A use-after-free was discovered in
PK11_ImportDERPrivateKeyInfoAndReturnKey in NSS. A remote attacker
could potentially exploit this to cause a denial of service via
application crash, or execute arbitrary code. (CVE-2016-1979).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected thunderbird package.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 91258 ()

Bugtraq ID:

CVE ID: CVE-2016-1938
CVE-2016-1978
CVE-2016-1979
CVE-2016-2805
CVE-2016-2807

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