Executive Summary

Summary
Title Cisco IOS Software Resource Reservation Protocol Interface Queue Wedge Vulnerability
Informations
Name cisco-sa-20130925-rsvp First vendor Publication 2013-09-25
Vendor Cisco Last vendor Modification 2013-09-25
Severity (Vendor) N/A Revision 1.0

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Resource Reservation Protocol (RSVP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger an interface queue wedge on the affected device.

The vulnerability is due to improper parsing of UDP RSVP packets. An attacker could exploit this vulnerability by sending UDP port 1698 RSVP packets to the vulnerable device. An exploit could cause Cisco IOS Software and Cisco IOS XE Software to incorrectly process incoming packets, resulting in an interface queue wedge, which can lead to loss of connectivity, loss of routing protocol adjacency, and other denial of service (DoS) conditions. Cisco has released free software updates that address this vulnerability.

Workarounds that mitigate this vulnerability are available.

This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130925-rsvp

Note: The September 25, 2013, Cisco IOS Software Security Advisory bundled publication includes eight Cisco Security Advisories. All advisories address vulnerabilities in Cisco IOS Software. Each Cisco IOS Software Security Advisory lists the Cisco IOS Software releases that correct the vulnerability or vulnerabilities detailed in the advisory as well as the Cisco IOS Software releases that correct all Cisco IOS Software vulnerabilities in the September 2013 bundled publication.

Individual publication links are in "Cisco Event Response: Semiannual Cisco IOS Software Security Advisory Bundled Publication" at the following link: http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep13.html BEGIN PGP SIGNATURE Version: GnuPG/MacGPG2 v2.0.18 (Darwin) Comment: GPGTools - http://gpgtools.org

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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 4
Os 34

Information Assurance Vulnerability Management (IAVM)

Date Description
2013-10-03 IAVM : 2013-A-0185 - Multiple Vulnerabilities in Cisco IOS XE
Severity : Category I - VMSKEY : V0040708
2013-10-03 IAVM : 2013-A-0184 - Multiple Vulnerabilities in Cisco IOS
Severity : Category I - VMSKEY : V0040709

Nessus® Vulnerability Scanner

Date Description
2013-10-07 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20130925-rsvp-iosxe.nasl - Type : ACT_GATHER_INFO
2013-10-07 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20130925-rsvp.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
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Date Informations
2014-02-17 10:22:11
  • Multiple Updates
2013-11-11 12:37:34
  • Multiple Updates
2013-09-27 21:23:25
  • Multiple Updates
2013-09-26 00:19:21
  • First insertion