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:  http://www.celeryproject.org/news/celery-24-released/  http://docs.celeryproject.org/en/latest/changelog.html#version-2-4-4  https://github.com/ask/celery/blob/master/docs/sec/CELERYSA-0001.txt  https://github.com/ask/celery/pull/544 Relevant upstream patch:  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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