Cisco IOS Software WebVPN and SSLVPN Vulnerabilities - Cisco Systems

This script is (C) 2010-2014 Tenable Network Security, Inc.


Synopsis :

The remote device is missing a vendor-supplied security patch.

Description :

Cisco IOS software contains two vulnerabilities within the Cisco IOS
WebVPN or Cisco IOS SSLVPN feature (SSLVPN) that can be remotely
exploited without authentication to cause a denial of service
condition. Both vulnerabilities affect both Cisco IOS WebVPN and Cisco
IOS SSLVPN features:

- Crafted HTTPS packet will crash device.
(CVE-2009-0626)

- SSLVPN sessions cause a memory leak in the device.
(CVE-2009-0628)

Cisco has released free software updates that address these
vulnerabilities.
There are no workarounds that mitigate these vulnerabilities.

See also :

http://www.nessus.org/u?f995989e
http://www.nessus.org/u?24de4bb1

Solution :

Apply the relevant patch referenced in Cisco Security Advisory
cisco-sa-20090325-webvpn.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.4
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: CISCO

Nessus Plugin ID: 49036 (cisco-sa-20090325-webvpnhttp.nasl)

Bugtraq ID: 34239

CVE ID: CVE-2009-0626
CVE-2009-0628