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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2009-0635 Detail

Description

Memory leak in the Cisco Tunneling Control Protocol (cTCP) encapsulation feature in Cisco IOS 12.4, when an Easy VPN (aka EZVPN) server is enabled, allows remote attackers to cause a denial of service (memory consumption and device crash) via a sequence of TCP packets.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Evaluator Solution

Per: http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml Obtaining Fixed Software Cisco has released free software updates that address these vulnerabilities. Prior to deploying software, customers should consult their maintenance provider or check the software for feature set compatibility and known issues specific to their environment. Customers may only install and expect support for the feature sets they have purchased. By installing, downloading, accessing or otherwise using such software upgrades, customers agree to be bound by the terms of Cisco's software license terms found at http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html , or as otherwise set forth at Cisco.com Downloads at http://www.cisco.com/public/sw-center/sw-usingswc.shtml .

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://secunia.com/advisories/34438 Vendor Advisory 
http://secunia.com/advisories/34438 Vendor Advisory 
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90459.shtml Patch  Vendor Advisory 
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90459.shtml Patch  Vendor Advisory 
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml Patch  Vendor Advisory 
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml Patch  Vendor Advisory 
http://www.securityfocus.com/bid/34246
http://www.securityfocus.com/bid/34246
http://www.securitytracker.com/id?1021895
http://www.securitytracker.com/id?1021895
http://www.vupen.com/english/advisories/2009/0851 Vendor Advisory 
http://www.vupen.com/english/advisories/2009/0851 Vendor Advisory 
https://exchange.xforce.ibmcloud.com/vulnerabilities/49417
https://exchange.xforce.ibmcloud.com/vulnerabilities/49417

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-0635
NVD Published Date:
03/27/2009
NVD Last Modified:
11/20/2024
Source:
Cisco Systems, Inc.