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Message-ID: <51CDBD52.7020808@redhat.com>
Date: Fri, 28 Jun 2013 10:44:02 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Jan Lieskovsky <jlieskov@...hat.com>,
"Steven M. Christey" <coley@...us.mitre.org>,
Ralph Loader <suckfish@...g.co.nz>
Subject: Re: CVE Request -- python-suds: Insecure temporary
directory use when initializing file-based URL cache
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 06/27/2013 08:31 AM, Jan Lieskovsky wrote:
> Hello Kurt, Steve, vendors,
>
> based on the public Red Hat Bugzilla report: [1]
> https://bugzilla.redhat.com/show_bug.cgi?id=978696
>
> by Ralph Loader:
>
> A insecure temporary directory use flaw was found in the way
> python-suds, a Python SOAP web services client library, performed
> initialization of its internal file-based URL cache (predictable
> location was used for directory to store the cached files). A local
> attacker could use this flaw to conduct symbolic link attacks,
> possibly leading to their ability for example the SOAP .wsdl
> metadata to redirect queries to a different host, than originally
> intended.
>
> The reasons for the current behaviour are detailed at: [2]
> https://bugzilla.redhat.com/show_bug.cgi?id=978696#c4
>
> Could you allocate a CVE id for this?
>
> Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat
> Security Response Team
>
> P.S.: There doesn't seem to be an upstream patch available yet
> (afaik), but the fix is obvious - use more unpredictable routine
> for file-based URL cache directory location generation than
> Python's tempfile.gettempdir() (which is case tempfile.tempdir is
> None, defaults to '/tmp').
>
Please use CVE-2013-2217 for this issue.
- --
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
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