[VIM] Re: [OSVDB Mods] ncompress insecure temporary file creation
jericho at attrition.org
Thu Sep 22 01:23:27 EDT 2005
still no reply, yet he has posted advisories to F-D since this mail.
---------- Forwarded message ----------
From: security curmudgeon <jericho at attrition.org>
To: ZATAZ Audits <exploits at zataz.net>
Cc: eromang at zataz.net, Mods <moderators at osvdb.org>
Date: Sat, 17 Sep 2005 20:46:30 -0400 (EDT)
Subject: Re: [OSVDB Mods] ncompress insecure temporary file creation
: ncompress insecure temporary file creation
: Vendor: ftp://ftp.leo.org/pub/comp/os/unix/linux/sunsite/utils/compress/
: Advisory: http://www.zataz.net/adviso/ncompress-09052005.txt
: The vulnerability is caused due to temporary file being created
: insecurely. This can be exploited via symlink attacks in combination
: with a race condition to create and overwrite arbitrary files with the
: privileges of the user running the affected script.
: Technical details :
: ncompress use vulnerable version off zdiff and zcmp.
: Related :
: Secunia : http://secunia.com/advisories/13131/
: CVE : CAN-2004-0970
CAN-2004-0970 covers gzexe, zdiff, and znew, but doesn't make mention of
zcmp. Was gzip's zcmp vulnerable and not originally disclosed? Or is this
something specific to ncompress?
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