CVE-2009-0628
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 9.0 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:C
- EPSS
- 1.93% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- cisco/cisco ios
- Source
- psirt@cisco.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.