Description
IIS 5.0 and 4.0 allows remote attackers to read the source code for executable web server programs by appending "%3F+.htr" to the requested URL, which causes the files to be parsed by the .HTR ISAPI extension, aka a variant of the "File Fragment Reading via .HTR" vulnerability.
References
- 2313 vdb-entry
- iis-read-files(5903) vdb-entry
- MS01-004 vendor-advisory
- 20010108 IIS 5.0 allows viewing files using %3F+.htr mailing-list