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Last updated: 10/23/2014 1:16:09 AM

CVE Publication rate: 53.33

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Vulnerability Summary for CVE-2007-4430

Original release date: 08/20/2007
Last revised: 05/18/2011


Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a "show ip bgp regexp" command. NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: SECTRACK
Name: 1018685
External Source: MISC
Name: http://www.heise-security.co.uk/news/94526/
External Source: CISCO
Name: 20070912 Cisco IOS Reload on Regular Expression Processing
External Source: BID
Name: 25352
External Source: VUPEN
Name: ADV-2007-3136
Type: Advisory
External Source: SECUNIA
Name: 26798
Type: Advisory
External Source: MLIST
Name: [cisco-nsp] 20070817 About the posting entitled "Heads up: "sh ip bgp regexp" crashing router"
External Source: MLIST
Name: [cisco-nsp] 20070817 Heads up: "sh ip bgp regexp" crashing router
External Source: MISC
Name: http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Network%20Infrastructure&topic=WAN%2C%20Routing%20and%20Switching&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1ddf7bc9

Technical Details

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