Microsoft Frontpage Server Extensions Remotely Exploitable Buffer Overflow - Advisories

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Microsoft Frontpage Server Extensions Remotely Exploitable Buffer Overflow

Secunia Advisory:	SA10195
Release Date:	2003-11-11
Last Update:	2003-11-17

Critical:	Highly critical
Impact:	DoS System access
Where:	From remote
Solution Status:	Vendor Patch

Software:	Microsoft Internet Information Services (IIS) 5.x

CVE reference:	CVE-2003-0822 (Secunia mirror) CVE-2003-0824 (Secunia mirror)

	Want to know the next time vulnerabilities are fixed in this product? - Companies can be alerted via email and SMS!

Description: Microsoft has issued patches for Frontpage Server Extensions. These fix two vulnerabilities, which can allow malicious people to execute arbitrary code or cause a Denial of Service. A boundary error in "fp30reg.dll" when handling chunked encoded posts can be exploited to cause a buffer overflow, which may allow execution of arbitrary code with SYSTEM privileges. It is possible to cause certain SmartHTML (WebBots) to consume all available CPU resources for a short period of time through malicious HTTP requests. The vulnerabilities affect Microsoft FrontPage Server Extensions 2000 and 2002 (except Windows 2000 systems with Service Pack 4 installed). Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector. Solution: Patches are available: Microsoft FrontPage Server Extensions 2000: http://www.microsoft.com/downloads/de...-BF58-D3BC70A77BFA&displaylang=en Microsoft FrontPage Server Extensions 2000 (Shipped with Windows 2000): http://www.microsoft.com/downloads/de...-9F0F-3B15DD8622A2&displaylang=en Microsoft FrontPage Server Extensions 2000 (Shipped with Windows XP): http://www.microsoft.com/downloads/de...-82DC-ED1E49A16E1C&displaylang=en Microsoft FrontPage Server Extensions 2002: http://www.microsoft.com/downloads/de...-8299-86C49321EE25&displaylang=en Microsoft SharePoint Team Services 2002 (shipped with Office XP): http://www.microsoft.com/downloads/de...-8F15-36A1C9E0A340&displaylang=en Provided and/or discovered by: Brett Moore of Security-Assessment.com Changelog: 2003-11-12: Updated information released. 2003-11-13: Added link to CERT. 2003-11-14: Updated credits section. 2003-11-17: Added another link to CERT. Original Advisory: Buffer Overrun in Microsoft FrontPage Server Extensions Could Allow Code Execution (813360) http://www.microsoft.com/technet/security/bulletin/MS03-051.asp Other References: CERT VU#279156: http://www.kb.cert.org/vuls/id/279156 CERT VU#179012: http://www.kb.cert.org/vuls/id/179012



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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