Date: Thu, 23 Feb 2012 18:05:06 +0100 From: Jan Lieskovsky <jlieskov@...hat.com> To: "Steven M. Christey" <coley@...us.mitre.org> CC: oss-security@...ts.openwall.com, Clay Gerrard <clay.gerrard@...il.com>, Ian Bicking <ianbicking@...il.com>, Jan Pokorny <jpokorny@...hat.com>, David Malcolm <dmalcolm@...hat.com>, Luke Macken <lmacken@...hat.com> Subject: CVE Request -- python-paste-script: Supplementary groups not dropped when started an application with "paster serve" as root 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:  http://groups.google.com/group/paste-users/browse_thread/thread/2aa651ba331c2471  https://bugzilla.redhat.com/show_bug.cgi?id=796790 Patch proposed by the issue reporter:  https://bitbucket.org/ianb/pastescript/pull-request/3/fix-group-permissions-for-pastescriptserve Upstream patch:  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
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