CVE-2014-0253
Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine TCP connection states, which allows remote attackers to cause a denial of service (ASP.NET daemon hang) via crafted HTTP requests that trigger…
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EPSS puts the probability of exploitation in the next 30 days at 38.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine TCP connection states, which allows remote attackers to cause a denial of service (ASP.NET daemon hang) via crafted HTTP requests that trigger persistent resource consumption for a (1) stale or (2) closed connection, as exploited in the wild in February 2014, aka "POST Request DoS Vulnerability."
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 38.70% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/.net framework
- Source
- secure@microsoft.com
References
- http://osvdb.org/103162
- http://secunia.com/advisories/56793
- http://www.securityfocus.com/bid/65415
- http://www.securitytracker.com/id/1029745
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009
- http://osvdb.org/103162
- http://secunia.com/advisories/56793
- http://www.securityfocus.com/bid/65415
- http://www.securitytracker.com/id/1029745
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.