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AUSCERT External Security Bulletin Redistribution
ESB-1999.080 -- MS99-019 Security Bulletin
Workaround Available for "Malformed HTR Request" Vulnerability
16 June 1999
Microsoft Corporation has released the following security bulletin
concerning a vulnerability in Microsoft Internet Information Server 4.0.
This vulnerability could allow denial of service attacks against an IIS
server or, under certain conditions, could allow arbitrary code to be run
on the server:
This security bulletin is provided as a service to AusCERT's members.
As AusCERT did not write the document referenced above, AusCERT has
had no control over its content. The decision to use any or all
of this information is the responsibility of each user or organisation,
and should be done so in accordance with site policies and procedures.
If you have any questions or need further information, please contact
Microsoft Corporation directly.
Previous advisories and external security bulletins can be retrieved from:
If you believe that your system has been compromised, contact AusCERT or
your representative in FIRST (Forum of Incident Response and Security
Internet Email: firstname.lastname@example.org
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for emergencies.
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