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Date: Mon, 28 Nov 2011 10:09:01 +0100
From: Jan Lieskovsky <jlieskov@...hat.com>
To: "Steven M. Christey" <coley@...us.mitre.org>
CC: oss-security@...ts.openwall.com
Subject: CVE Request -- python-celery / Celery v2.4 -- Privilege escalation
due improper sanitization of --uid and --gid arguments in certain tools (CELERYSA-0001
Hello Kurt, Steve, vendors,
a privilege escalation flaw was found in the way 'celeryd-multi',
'celeryd_detach', 'celerybeat' and 'celeryev' tools of the Celery,
an asynchronous task queue based on distributed message passing,
performed sanitization of --uid and --gid arguments, provided to
the tools on the command line (only effective user id was changed,
with the real one remaining unchanged). A local attacker could use
this flaw to send messages via the message broker or use the Pickle
serializer to load and execute arbitrary code with elevated privileges.
References:
[1] http://www.celeryproject.org/news/celery-24-released/
[2] http://docs.celeryproject.org/en/latest/changelog.html#version-2-4-4
[3] https://github.com/ask/celery/blob/master/docs/sec/CELERYSA-0001.txt
[4] https://github.com/ask/celery/pull/544
Relevant upstream patch:
[5]
https://github.com/gadomski/celery/commit/2afc0ea2ea22bce25013c9867f89e41a48b9251b
Could you allocate a CVE id for this issue?
Thank you && Regards, Jan.
--
Jan iankko Lieskovsky / Red Hat Security Response Team
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