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List: oss-security
Subject: Re: [oss-security] CVE Request -- python-paste-script: Supplementary groups not dropped when started
From: Kurt Seifried <kseifried () redhat ! com>
Date: 2012-02-23 21:47:01
Message-ID: 4F46B3D5.6090809 () redhat ! com
[Download RAW message or body]
On 02/23/2012 10:05 AM, Jan Lieskovsky wrote:
> Hello Kurt, Steve, vendors,
>
> a security flaw was found in the way Paster, a pluggable command-line
> frontend,
> when started as root (for example to have access to privileged port) to
> serve a
> web based application, performed privileges dropping upon startup
> (supplementary groups were not dropped properly regardless of the UID, GID
> specified in the .ini configuration file or in the --user and --group CL
> arguments). A remote attacker could use this flaw for example to read /
> write
> root GID accessible files, if the particular web application provided
> remote
> means for local file manipulation.
>
> Credit / Issue Reported by: Clay Gerrard
>
> References:
> [1]
> http://groups.google.com/group/paste-users/browse_thread/thread/2aa651ba331c2471
>
> [2] https://bugzilla.redhat.com/show_bug.cgi?id=796790
>
> Patch proposed by the issue reporter:
> [3]
> https://bitbucket.org/ianb/pastescript/pull-request/3/fix-group-permissions-for-pastescriptserve
>
>
> Upstream patch:
> [4] https://bitbucket.org/ianb/pastescript/changeset/a19e462769b4
>
> Could you allocate a CVE id for this?
>
> Thank you && Regards, Jan.
> --
> Jan iankko Lieskovsky / Red Hat Security Response Team
Please use CVE-2012-0878 for this issue.
--
Kurt Seifried Red Hat Security Response Team (SRT)
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