The TCP implementation in (1) Linux, (2) platforms based on BSD Unix, (3) Microsoft Windows, (4) Cisco products, and probably other…

Description

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.

Scores

EPSS (exploitation in 30 days)

32.4% · top 1.7% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.

Weakness

• n/a
• CWE-16 (opens in a new tab)All about CWE-16 and its CVEs

Affected products

• n/a

  • affected n/a

References (15)

• http://blog.robertlee.name/2008/10/conjecture-speculation.html (opens in a new tab)x_refsource_MISCx_transferred
• https://www.cert.fi/haavoittuvuudet/2008/tcp-vulnerabilities.html (opens in a new tab)x_refsource_MISCx_transferred
• HPSBMI02473 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• [dailydave] 20081002 TCP Resource Exhaustion DoS Attack Speculation (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://insecure.org/stf/tcp-dos-attack-explained.html (opens in a new tab)x_refsource_MISCx_transferred
• http://www.outpost24.com/news/news-2008-10-02.html (opens in a new tab)x_refsource_MISCx_transferred
• http://www.cpni.gov.uk/Docs/tn-03-09-security-assessment-TCP.pdf (opens in a new tab)x_refsource_MISCx_transferred
• 20090908 TCP State Manipulation Denial of Service Vulnerabilities in Multiple Cisco Products (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
• TA09-251A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20081017 Cisco Response to Outpost24 TCP State Table Manipulation Denial of Service Vulnerabilities (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
• MS09-048 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
• http://searchsecurity.techtarget.com.au/articles/27154-TCP-is-fundamentally-borked (opens in a new tab)x_refsource_MISCx_transferred
• oval:org.mitre.oval:def:6340 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• MDVSA-2013:150 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2008-4609](https://trackcve.app/badge/CVE-2008-4609.svg)](https://trackcve.app/cve/CVE-2008-4609)

Record last updated 7 Aug 2024, 10:24 UTC.