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Cisco IOS Software Network Time Protocol Packet Vulnerability - Cisco Systems

high Nessus Plugin ID 49045

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Synopsis

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

Description

Cisco IOS Software with support for Network Time Protocol (NTP) version (v4) contains a vulnerability processing specific NTP packets that will result in a reload of the device. This results in a remote denial of service (DoS) condition on the affected device.
Cisco has released free software updates that address this vulnerability.
Workarounds that mitigate this vulnerability are available.

Solution

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

See Also

http://www.nessus.org/u?29ebdce8

http://www.nessus.org/u?e726ce77

Plugin Details

Severity: High

ID: 49045

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

Version: 1.19

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-2009-2869

BID: 36502