VxWorks 5.5 through 6.9 Multiple Vulnerabilities

This script is Copyright (C) 2013-2014 Tenable Network Security, Inc.


Synopsis :

The remote VxWorks device is potentially affected by several
vulnerabilities.

Description :

According to its self-reported version, the remote VxWorks device is
version 5.5 through 6.9. It therefore is potentially affected by the
following vulnerabilities :

- An attacker can cause SSH access to be unavailable
until the next reboot with a specially crafted
requests. (CVE-2013-0711 / CVE-2013-0712 /
CVE-2013-0713)

- An attacker can cause the server to hang and SSH access
to be unavailable until the next reboot by sending a
specially crafted packet for a public key
authentication request. Arbitrary code execution is
also a possibility. (CVE-2013-0714)

- An attacker able to login to a CLI session can cause
the current CLI session to crash. (CVE-2013-0715)

- An attacker able to access the VxWorks Web Server can
cause the server to crash using a specially crafted
URL. (CVE-2013-0716)

Note that the Web Server and CLI vulnerabilities affect VxWorks 5.5
through 6.9 while the SSH vulnerabilities affect only versions 6.5
through 6.9.

Note that Nessus has not checked for the presence of the patch so
this finding may be a false positive.

See also :

http://jvn.jp/en/jp/JVN01611135/index.html
http://jvn.jp/en/jp/JVN20671901/index.html
http://jvn.jp/en/jp/JVN41022517/index.html
http://jvn.jp/en/jp/JVN45545972/index.html
http://jvn.jp/en/jp/JVN52492830/index.html
http://jvn.jp/en/jp/JVN65923092/index.html

Solution :

Contact the device vendor for the appropriate patch.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.3
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true