Cisco IOS Software Resource Reservation Protocol Interface Queue Wedge Vulnerability (cisco-sa-20130925-rsvp)

High Nessus Plugin ID 70313

Synopsis

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

Description

The remote device is affected by a denial of service vulnerability due to improper handling of UDP RSVP packets in the Resource Reservation Protocol (RSVP) feature. An unauthenticated, remote attacker, via specially-crafted UDP RSVP packets sent to port 1698, can trigger an interface queue wedge, resulting in a loss of connectivity, loss of routing protocol adjacency, and other denial of service conditions.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20130925-rsvp. Alternatively, apply the workaround referenced in the advisory.

See Also

http://www.nessus.org/u?4a057824

Plugin Details

Severity: High

ID: 70313

File Name: cisco-sa-20130925-rsvp.nasl

Version: 1.12

Type: local

Family: CISCO

Published: 2013/10/07

Modified: 2018/07/06

Dependencies: 47864

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Temporal Score: 5.8

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2013/09/24

Vulnerability Publication Date: 2013/09/25

Reference Information

CVE: CVE-2013-5478

BID: 62646

CISCO-BUG-ID: CSCuf17023

CISCO-SA: cisco-sa-20130925-rsvp