5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.416 Medium
EPSS
Percentile
97.3%
The Microsoft FrontPage Server Extensions contains a vulnerability that allows unauthenticated remote attackers to conduct denial of service attacks.
Microsoft FrontPage Server Extensions (FPSE) is an optional set of tools that adds functionality to a web site. This functionality includes remote server administration, content updates, and a variety of site-specific tools such as searching support and form handling. According to MS03-051, FPSE is installed by default on Internet Information Server (IIS) 4.0, 5.0, and 5.1.
The SmartHTML interpreter, a sub-component of FPSE, contains a denial of service vulnerability. According to Microsoft, a specially crafted request can cause the SmartHTML interpreter to enter a loop that will temporarily consume processor time and interrupt the normal operation of the server host.
This vulnerability allows unauthenticated remote attackers to conduct denial of service attacks against affected hosts.
Apply a patch from Microsoft
Microsoft has published Microsoft Security Bulletin MS03-051 to address this vulnerability. For a complete list of systems affected, please read the Microsoft bulletin.
Disable FrontPage Server Extensions
As a an interim measure, sites may reduce their exposure to this vulnerability by disabling FrontPage Server Extensions. Note that this may reduce the functionality of sites that utilize FPSE extensions.
Disable Internet Information Server
The IIS web server is installed by default on several versions of Microsoft Windows. As a general rule, the CERT/CC recommends that system administrators disable or remove any nonessential software. In this case, IIS should be removed from any host that is not expected to serve web pages.
179012
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Notified: November 12, 2003 Updated: November 14, 2003
Affected
We have not received a statement from the vendor.
The vendor has not provided us with any further information regarding this vulnerability.
Microsoft has published Microsoft Security Bulletin MS03-051 to address this vulnerability. For a complete list of systems affected, please read the Microsoft bulletin.
If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23179012 Feedback>).
Group | Score | Vector |
---|---|---|
Base | ||
Temporal | ||
Environmental |
This document was written by Jeffrey P. Lanza and is based upon information provided by Microsoft.
CVE IDs: | CVE-2003-0824 |
---|---|
Severity Metric: | 3.09 Date Public: |