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AUSCERT External Security Bulletin Redistribution
ESB-1999.099 -- Microsoft Security Bulletin (MS99-025)
Re-Release: Unauthorized Access to IIS Servers
through ODBC Data Access with RDS (revised)
26 July 1999
Microsoft Corporation has released the following revised security bulletin
concerning a vulnerability in Microsoft Data Access Components (MDAC) that
may allow unauthorised Internet clients to gain privileged access to
systems running Microsoft Internet Information Server (IIS). The bulletin
was revised to address the need to remove sample files for the Remote Data
Service (RDS) component of MDAC and to clarify that MDAC 2.0 is affected
even if deployed as a clean installation:
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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