National Cyber-Alert System

Vulnerability Summary for CVE-2009-2049

Overview

Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: CISCO

Name: 20090729 Cisco IOS Software Border Gateway Protocol 4-Byte Autonomous System Number Vulnerabilities

Type: Advisory; Patch Information

Hyperlink:http://www.cisco.com/en/US/products/products_security_advisory09186a0080aea4c9.shtml

External Source: VUPEN

Name: ADV-2009-2082

Hyperlink:http://www.vupen.com/english/advisories/2009/2082

External Source: SECTRACK

Name: 1022619

Hyperlink:http://www.securitytracker.com/id?1022619

External Source: BID

Name: 35860

Hyperlink:http://www.securityfocus.com/bid/35860

External Source: SECUNIA

Name: 36046

Hyperlink:http://secunia.com/advisories/36046