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Date: Tue, 1 Feb 2011 15:27:23 +0100
From: Tomas Hoger <>
To: OSS Security <>
Subject: CVE request: glibc CVE-2010-3847 fix regression


It seems this does not have any CVE assigned yet...

The original patch for CVE-2010-3847, as used by multiple vendors,
introduced a bug in the way $ORIGIN is (not-)expanded when used in ELF
R*PATH.  This could allow a local user to escalate privileges via
privileged program using a library with $ORIGIN in R*PATH (such as
certain glibc iconv modules).

There are at least Debian and Ubuntu advisories addressing this issue:

Note that privileged programs that themselves have $ORIGIN in R*PATH
could have been abused before and are not addressed in the above
advisories.  It's unclear if any distro provides any privileged program
with such R*PATH though.

Tomas Hoger / Red Hat Security Response Team

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