Microsoft IIS .HTR ISAPI chunked encoding buffer overflow

Added: 02/17/2006 CVE: CVE-2002-0364 BID: 4855 OSVDB: 5316 Background Microsoft IIS web servers include ISAPI extensions which are invoked in the server process to handle requests of a given type. Problem A heap overflow in IIS 4.0 and 5.0 when processing chunked encoding transfers of HTR request...

Microsoft Internet Information Server (IIS) contains remote buffer overflow in chunked encoding data transfer mechanism for HTR

Overview A buffer overflow vulnerability in IIS 4.0 and 5.0 could allow an intruder to execute arbitrary code on an IIS server with the privileges of the HTR ISAPI extension. Description Chunked encoding is a means to transfer variable-sized units of data called chunks from a web client to a web...

Microsoft IIS .HTR ISAPI Filter Enabled

The IIS server appears to have the .HTR ISAPI filter mapped. At least one remote vulnerability has been discovered for the .HTR filter. This is detailed in Microsoft Advisory MS02-018, and gives remote SYSTEM level access to the web server. It is recommended that, even if you have patched this...

Microsoft Internet Information Server (IIS) vulnerable to heap overflow during processing of crafted ".htr" request by "ISM.DLL" ISAPI filter

Overview A buffer overflow in the HTR ISAP extension on IIS servers could permit an intruder to interrupt the normal operation of IIS or possibly execute arbitrary code with the privileges of the HTR extension. Description HTR is a server-side scripting technology for IIS which has largely been...

CVE-2001-0004

This CVE concerns IIS 4.0/5.0 where an attacker can cause the server to disclose file contents by sending a crafted GET request that appends %3F+.htr, causing the target file to be parsed as an .HTR ISAPI extension. Impact: unauthenticated remote disclosure of potentially sensitive files within t...