7.5
CVSSv2

CVE-2000-0457

Published: 11/05/2000 Updated: 30/10/2018
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
VMScore: 755
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

ISM.DLL in IIS 4.0 and 5.0 allows remote malicious users to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.

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microsoft internet information server 4.0

microsoft internet information services 5.0

Exploits

source: wwwsecurityfocuscom/bid/1193/info Requesting a known filename with the extension replaced with htr preceeded by approximately 230 "%20" (which is an escaped character that represents a space) from Microsoft IIS 40/50 will cause the server to retrieve the file and its contents This is due to the htr file extension being mapped ...