61133 : Citrix Multiple Products TCP/IP Implementation Queue Connection Saturation TCP State Table Remote DoS
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Timeline

Disclosure Date
2009-12-16

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2008-4609" target="_blank">CVE</a>)</em> : 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.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Upgrade
Disclosure: Vendor Verified

Solution

Upgrade to version 8.1, 9.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

CVE ID: 2008-4609 (see also: NVD)
Secunia Advisory ID: 37809
Other Advisory URL: http://blog.robertlee.name/2008/10/conjecture-speculation.html
http://insecure.org/stf/tcp-dos-attack-explained.html
http://searchsecurity.techtarget.com.au/articles/27154-TCP-is-fundamentally-borked
http://support.citrix.com/article/CTX123649
http://www.cpni.gov.uk/Docs/tn-03-09-security-assessment-TCP.pdf
http://www.outpost24.com/news/news-2008-10-02.html
https://www.cert.fi/haavoittuvuudet/2008/tcp-vulnerabilities.html
Mail List Post: http://lists.immunitysec.com/pipermail/dailydave/2008-October/005360.html
http://marc.info/?l=bugtraq&m=125856010926699&w=2
Vendor Specific Advisory URL: http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
CERT: TA09-251A

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.1
Source: nvd.nist.gov | Generated: 2008-10-20 | Disagree?

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