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Re: KeePass version 2.12 <= Insecure DLL Hijacking Vulnerability (dwmapi.dll)

From: "Stefan Kanthak" <stefan.kanthak () nexgo de>
Date: Sat, 11 Sep 2010 18:49:27 +0200
Christian Sciberras wrote:


I can't take THAT seriously. At least not all of it.

The part that interested me most:


 4. Should I find such vulnerability in many applications as I can?

 You should not. It's just a waste of time and your energy. Focus on most popular application types/classes.


If, say, DWM.dll is exploitable, why not point *that* out rather than
point out the many applications that are using it (wrongly)?


ANY DLL is/may be exploitable when referenced without its (often
well-known) complete pathname.
It IS necessary to name all the applications with unqualified
references and to have them fixed by their authors/vendors.

And there are MANY places where DLLs or EXEs are referenced, not just
in binaries: the registry, DESKTOP.INI files (especially in the start
menu and %ProgramFiles%), batch files (do you reference CMD.EXE always
as %SystemRoot%\System32\CMD.EXE? No? It really doesn't hurt!), scripts
(including AUTORUN.INF.-), ...

Stefan



Oh, and the "report". For obvious reasons, I cannot include the full
report. If I missed passing any detail, just ask and I'll fix right
away.

http://img189.imageshack.us/img189/4801/31998033.png


On Thu, Sep 9, 2010 at 8:10 PM, YGN Ethical Hacker Group <lists () yehg net> wrote:

Hi Christian

The reason I use "Clean" doesn't mean (or I'm not accusing) your
Windows is infected.
It's better to test DLL Hijacking in Clean Copy of Windows without any
prior applications messup.

Please take a look at
http://core.yehg.net/lab/pr0js/texts/when_testing_for_dll_hijacking.txt

We thank ACROS Security for bringing life to this issue.
We'll take social responsibility as a security community to stop this
issue as much as we could.


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