CVE-2003-0819

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 40.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-02-17 · updated 2026-06-16
Weakness: CWE-119

Description

Buffer overflow in the H.323 filter of Microsoft Internet Security and Acceleration Server 2000 allows remote attackers to execute arbitrary code in the Microsoft Firewall Service via certain H.323 traffic, as demonstrated by the NISCC/OUSPG PROTOS test suite for the H.225 protocol.

Affected products

Microsoft Proxy Server: 2.0, 2.0-sp1

References

http://secunia.com/advisories/10611
http://www.cert.org/advisories/CA-2004-01.html
http://www.kb.cert.org/vuls/id/749342
http://www.securityfocus.com/bid/9406
http://www.securityfocus.com/bid/9408
http://www.securitytracker.com/id?1008698
http://www.uniras.gov.uk/vuls/2004/006489/h323.htm
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-001
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A478
http://secunia.com/advisories/10611
http://www.cert.org/advisories/CA-2004-01.html
http://www.kb.cert.org/vuls/id/749342

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