CVE-2008-4609
HIGH severity · CVSS 7.1 · CWE-16
7.1CVSS HIGH
Summary
The TCP implementation in (1) Linux, (2) platforms based on BSD Unix, (3) Microsoft Windows, (4) Cisco products, and probably other operating systems allows remote attackers to cause a denial of service (connection queue exhaustion) via multiple vectors that manipulate information in the TCP state table, as demonstrated by sockstress.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)32%
AV:N/AC:M/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://blog.robertlee.name/2008/10/conjecture-speculation.html
- http://insecure.org/stf/tcp-dos-attack-explained.html
- http://lists.immunitysec.com/pipermail/dailydave/2008-October/005360.html
- http://marc.info/?l=bugtraq&m=125856010926699&w=2Advisory
- http://searchsecurity.techtarget.com.au/articles/27154-TCP-is-fundamentally-borked
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af511d.shtml
- http://www.cisco.com/en/US/products/products_security_response09186a0080a15120.html
- http://www.cpni.gov.uk/Docs/tn-03-09-security-assessment-TCP.pdf