Vulnerability Details CVE-2011-3414
The CaseInsensitiveHashProvider.getHashCode function in the HashTable implementation in the ASP.NET subsystem in Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters, aka "Collisions in HashTable May Cause DoS Vulnerability."
Exploit prediction scoring system (EPSS) score
EPSS Score 0.767
EPSS Ranking 98.9%
CVSS Severity
CVSS v2 Score 7.8
References
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- http://www.kb.cert.org/vuls/id/903934
- http://www.nruns.com/_downloads/advisory28122011.pdf
- http://www.ocert.org/advisories/ocert-2011-003.html
- http://www.us-cert.gov/cas/techalerts/TA11-347A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-100
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14588
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- http://www.kb.cert.org/vuls/id/903934
- http://www.nruns.com/_downloads/advisory28122011.pdf
- http://www.ocert.org/advisories/ocert-2011-003.html
- http://www.us-cert.gov/cas/techalerts/TA11-347A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-100
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14588
Products affected by CVE-2011-3414
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cpe:2.3:o:microsoft:windows_7:-
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cpe:2.3:o:microsoft:windows_server_2003:-
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cpe:2.3:o:microsoft:windows_server_2003:r2
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cpe:2.3:o:microsoft:windows_server_2008:-
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cpe:2.3:o:microsoft:windows_server_2008:r2
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cpe:2.3:o:microsoft:windows_vista:-
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cpe:2.3:o:microsoft:windows_xp:*
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cpe:2.3:o:microsoft:windows_xp:sp3