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[Full-Disclosure] silly little Explorer XP DoS
From: Peter Ferrie (pferriesymantec.com)
Date: Mon Mar 15 2004 - 15:40:59 CST
Background: Windows Explorer for Windows XP will automatically parse
.WMF files for validity when browsing the directory that contains them.
No need to click on anything at all.
Bug: GDI32!SetMetaFileBitsEx (which does the parsing) does not check
for records of zero length, resulting in an infinite loop when one is
encountered, and making the system very slow.
Demo: can be done in 24 bytes. Very silly.
Full-Disclosure - We believe in it.