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Message-ID: <AANLkTimuoqH+N+9LuFgNEriDKNxDOE6DaufN70uutAYA@mail.gmail.com>
Date: Wed, 25 Aug 2010 14:52:52 -0400
From: Dan Rosenberg <dan.j.rosenberg@...il.com>
To: oss-security@...ts.openwall.com,
"Steven M. Christey" <coley@...us.mitre.org>
Subject: CVE request: CouchDB insecure library loading (Debian/Ubuntu only)
I discovered that the /usr/bin/couchdb script on Debian/Ubuntu sets an
insecure LD_LIBRARY_PATH environment variable, such that libraries
from the current directory are loaded. If a local attacker placed a
maliciously crafted shared library in a directory and an administrator
were tricked into launching CouchDB from this directory, arbitrary
code execution could be achieved. This vulnerability is only
triggered when the /usr/bin/couchdb script is executed explicitly,
since the init script (/etc/init.d/couchdb) changes the current
directory before launching CouchDB.
The vulnerability was introduced by Debian patch
"mozjs1.9_ldlibpath.patch" on 3/24/2009.
-Dan
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