Cisco IOS SSL VPN Vulnerability (cisco-sa-20100922-sslvpn)

high Nessus Plugin ID 17785

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Synopsis

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

Description

Cisco IOS Software contains a vulnerability when the Cisco IOS SSL VPN feature is configured with an HTTP redirect. Exploitation could allow a remote, unauthenticated user to cause a memory leak on the affected devices, that could result in a memory exhaustion condition that may cause device reloads, the inability to service new TCP connections, and other denial of service (DoS) conditions. Cisco has released free software updates that address this vulnerability. There is a workaround to mitigate this vulnerability.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20100922-sslvpn.

Plugin Details

Severity: High

ID: 17785

File Name: cisco-sa-20100922-sslvpn.nasl

Version: 1.16

Type: local

Family: CISCO

Published: 1/10/2012

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/21/2012

Vulnerability Publication Date: 9/22/2010

Reference Information

CVE: CVE-2010-2836

BID: 43390

CISCO-SA: cisco-sa-20100922-sslvpn

CISCO-BUG-ID: CSCtg21685

Detections

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