Description
Memory leak in the SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (memory consumption and device crash) by disconnecting an SSL session in an abnormal manner, leading to a Transmission Control Block (TCB) leak.
Metrics
CVSS 2.0 9.0/10
AV:N/AC:L/Au:N/C:P/I:P/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://secunia.com/advisories/34438Vendor Advisory
- http://securitytracker.com/id?1021896
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90424.shtmlVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtmlVendor Advisory
- http://www.securityfocus.com/bid/34239
- http://www.vupen.com/english/advisories/2009/0851Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49427
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12092
- http://secunia.com/advisories/34438Vendor Advisory
- http://securitytracker.com/id?1021896
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90424.shtmlVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtmlVendor Advisory
- http://www.securityfocus.com/bid/34239
- http://www.vupen.com/english/advisories/2009/0851Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49427
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12092
Timeline
- Published
- Mar 27, 2009
- Last modified
- Jun 16, 2026
- NVD status
- Modified