Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | 12.4t |
Related Weaknesses (CWE)
References
- http://secunia.com/advisories/34438Vendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90459.sPatchVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.sPatchVendor Advisory
- http://www.securityfocus.com/bid/34246
- http://www.securitytracker.com/id?1021895
- http://www.vupen.com/english/advisories/2009/0851Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49417
- http://secunia.com/advisories/34438Vendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90459.sPatchVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.sPatchVendor Advisory
- http://www.securityfocus.com/bid/34246
- http://www.securitytracker.com/id?1021895
- http://www.vupen.com/english/advisories/2009/0851Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49417
FAQ
What is CVE-2009-0635?
CVE-2009-0635 is a vulnerability with a CVSS score of 7.1 (HIGH). 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...
How severe is CVE-2009-0635?
CVE-2009-0635 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-0635?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios.