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Message-Id: <200809061323.20555.hanno@hboeck.de>
Date: Sat, 6 Sep 2008 13:23:20 +0200
From: Hanno Böck <hanno@...eck.de>
To: oss-security@...ts.openwall.com
Cc: coley@...re.org
Subject: CVE request: pam_mount < 0.47 missing security checks
Citing release notes mail:
About the security issue
========================
During code refactoring approximately 3 years ago, are affected), some
sanity/security checks for user-defined volumes were, probably
accidentally, removed. This allowed users to mount arbitrary sources
onto arbitrary directories; normally, they can only do so when they own
the mountpoint, and own the source, or the source is a non-local mount.
Versions 0.10 through 0.45 are affected. The correct behavior enforcing
these restrictions has been restored in 0.47. By default, user-defined
configuration files are disabled in pam_mount.conf.xml anyway, and it is
believed that luserconf-enabled systems are not numerous, so this is
only a minor issue. It is advised to upgrade the affected systems, or as
a workaround, disable user-defined volumes by commenting out the
<luserconf ...> configuration item.
--
Hanno Böck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber/Mail: hanno@...eck.de
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