Description
The firewall engine in Microsoft Forefront Threat Management Gateway, Medium Business Edition (TMG MBE); and Internet Security and Acceleration (ISA) Server 2004 SP3, 2006, 2006 Supportability Update, and 2006 SP1; does not properly manage the session state of web listeners, which allows remote attackers to cause a denial of service (many stale sessions) via crafted packets, aka "Web Proxy TCP State Limited Denial of Service Vulnerability."
References (7)
Core 7
Core References
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-016
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id?1022045
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://osvdb.org/53636
US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-104A.html
Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/1030
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34687
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6068
Scores
EPSS
0.7850
EPSS Percentile
99.5%
Details
Status
published
Products (3)
microsoft/forefront_threat_management_gateway
microsoft/internet_security_and_acceleration_server
2004 sp3 (2 CPE variants)
microsoft/internet_security_and_acceleration_server
2006 sp1 (2 CPE variants)
Published
Apr 15, 2009
Tracked Since
Feb 18, 2026