RE: Ghostscript 8.64 executes random code at startup

From: Michael Wojcik <Michael.Wojcik@microfocus.com>
To: bugtraq@securityfocus.com
Cc:
Subject: RE: Ghostscript 8.64 executes random code at startup
Date:


> From: paul.szabo@sydney.edu.au [mailto:paul.szabo@sydney.edu.au]
> Sent: Sunday, 30 May, 2010 06:50
> 
> I also see no -P- and no absolute paths for the ps files mentioned in
> many "gs scripts" e.g. /usr/bin/pdf2dsc or /usr/bin/ps2ascii . Also,
> crappy coding for "GS_EXECUTABLE=gs". Am not sure if these are
> "originally gs" or "Debian special".

I believe they're all part of the standard Ghostscript distribution; at
any rate, they're in the Windows Ghostscript distribution I have
installed here.

The Windows scripts (gs*\lib\*.bat) are similarly vulnerable: no use of
-P-, and letting the executable name be overridden by an environment
variable.

-- 
Michael Wojcik
Principal Software Systems Developer, Micro Focus





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