Re: [Full-disclosure] Unfiltered escape sequences in filenames contained in ZIP archives wouldn't be escaped on displaying or logging, and can also lead to bypass AV scanning

From: Rodrigo Barbosa <rodrigob_at_suespammers.org>
Date: Tue, 15 Mar 2005 22:07:06 -0300

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On Tue, Mar 15, 2005 at 09:06:05PM +0000, Nigel Horne wrote:
> > > # unzip -l mixed-eicar.zip
> > > Archive: mixed-eicar.zip
> > > Length Date Time Name
> > > -------- ---- ---- ----
> > > 308 03-10-05 12:00 Test^G^[[2J^[[2;5m^[[1;31mHACKER
> > > ATTACK^[[2;25m^[[22;30m^[[3q.txt
> > > 308 03-10-05 12:00 eicarcom2.zip
> > > -------- -------
> > > 616 2 files
> >
> > F-Prot seems to detect it correctly:
>
> As does clamAV:
> [njh_at_njh tmp]$ clamscan mixed-eicar.zip
> mixed-eicar.zip: Eicar-Test-Signature FOUND
>
> Scanned files: 1
> Infected files: 1

Actually, no. There were 2 infected files in there. ClamAV only found 1.

[]s

- --
Rodrigo Barbosa <rodrigob_at_suespammers.org>
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)

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Received on Mar 16 2005