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Home » Hacking News » BSCW Symbolic Link File Disclosure Vulnerability

BSCW Symbolic Link File Disclosure Vulnerability

by Phiber on August 25th, 2001 A vulnerability exists in BSCW that may allow users to view arbitrary files on a system. When users view extracted files in their "data-bag", BSCW will follow symbolic links. A malicious user may be able to exploit this problem to view any file on a system accessible by the user id under which BSCW runs.


Description:


BSCW (Basic Support for Cooperative Work) enables collaboration over the Web. BSCW is a 'shared workspace' system which supports document upload, event notification, group management and much more.


Solution:

- Vendor-supplied updates that rectify this issue are available:


GMD FIT BSCW 3.4.3:
GMD FIT upgrade Updates for BSCW 3.4.3 using Python 2.0
http://bscw.gmd.de/pyc20/

GMD FIT upgrade Updates for BSCW 3.4.3 using Python 1.5.2
http://bscw.gmd.de/pyc15/

GMD FIT upgrade Updates for BSCW 3.4.3 using Python 1.6
http://bscw.gmd.de/pyc16/


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