Vulnerability in BSD
CVE-2008-4609
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.1 (High). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.321 (98.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.321 · newest: 0.321 · change: 0.000
Affected products
- BSD — versions 4.1, 4.2, 4.3
- Bsdi BSD OS — versions 1.1, 2.0, 2.0.1
- Cisco Catalyst Blade Switch 3020
- Cisco Catalyst Blade Switch 3020 Firmware
- Cisco Catalyst Blade Switch 3120
- Cisco Catalyst Blade Switch 3120 Firmware
- Cisco Catalyst Blade Switch 3120x
- Cisco Catalyst Blade Switch 3120x Firmware
- Cisco iOS — versions 11.3aa, 12.2(17d)sxb8, 12.3\(11\)yf2
- Dragonflybsd — versions 1.0, 1.1, 1.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.robertlee.name/2008/10/conjecture-speculation.html (Broken Link)
- www.cert.fi/haavoittuvuudet/2008/tcp-vulnerabilities.html (Broken Link)
- marc.info/ (vendor-advisory, Third Party Advisory)
- lists.immunitysec.com/pipermail/dailydave/2008-October/005360.html (mailing-list, Broken Link)
- insecure.org/stf/tcp-dos-attack-explained.html (Broken Link)
- www.outpost24.com/news/news-2008-10-02.html (Broken Link)
- www.cpni.gov.uk/Docs/tn-03-09-security-assessment-TCP.pdf (Broken Link)
- www.cisco.com/en/US/products/products_security_advisory09186a0080af511d.shtml (vendor-advisory, Broken Link)
- www.us-cert.gov/cas/techalerts/TA09-251A.html (US Government Resource, Third Party Advisory, third-party-advisory)
- www.oracle.com/technetwork/topics/security/cpujul2012-392727.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2008-4609?
- CVE-2008-4609 is a vulnerability in BSD, classified under CWE-16. Published 2008-10-20.
- Is CVE-2008-4609 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.