Cisco ASA SSL VPN Memory Blocks Exhaustion DoS (CSCuq68888)

medium Nessus Plugin ID 79803
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Synopsis

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

Description

According to its banner, the version of the Cisco ASA software on the remote device is affected by a vulnerability in the SSL VPN feature due to improper implementation of memory blocks allocation when processing crafted HTTP packets. A remote, unauthenticated attacker can exploit this issue by sending specially crafted HTTP requests designed to exhaust memory to cause a denial of service.

Solution

Apply the relevant patch referenced in the vendor advisory.

See Also

http://www.nessus.org/u?c8e2a24c

https://tools.cisco.com/security/center/viewAlert.x?alertId=36542

Plugin Details

Severity: Medium

ID: 79803

File Name: cisco-sn-CVE-2014-3407-asa.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 12/8/2014

Updated: 11/15/2018

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:adaptive_security_appliance_software

Required KB Items: Host/Cisco/ASA

Exploit Ease: No known exploits are available

Patch Publication Date: 11/26/2014

Vulnerability Publication Date: 11/26/2014

Reference Information

CVE: CVE-2014-3407

BID: 71317

CISCO-BUG-ID: CSCuq68888