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Cisco IOS Software Crafted Encryption Packet Denial of Service Vulnerability - Cisco Systems

high Nessus Plugin ID 49047

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Synopsis

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

Description

Cisco IOS Software contains a vulnerability that could allow an attacker to cause a Cisco IOS device to reload by remotely sending a crafted encryption packet.

 Cisco has released free software updates that address this vulnerability.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20090923-tls.

See Also

http://www.nessus.org/u?7f233cf9

http://www.nessus.org/u?acab276b

Plugin Details

Severity: High

ID: 49047

File Name: cisco-sa-20090923-tlshttp.nasl

Version: 1.22

Type: local

Family: CISCO

Published: 9/1/2010

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

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: 9/23/2009

Vulnerability Publication Date: 9/23/2009

Reference Information

CVE: CVE-2009-2871

BID: 36493

CISCO-SA: cisco-sa-20090923-tls

CISCO-BUG-ID: CSCsq24002