full-disclosure - rPSA-2007-0020-2 rmake

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Date: Mon, 29 Jan 2007 17:24:31 -0500
From: rPath Update Announcements <announce-noreply@...th.com>
To: security-announce@...ts.rpath.com, update-announce@...ts.rpath.com
Cc: lwn@....net, full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: rPSA-2007-0020-2 rmake

rPath Security Advisory: 2007-0020-2
Published: 2007-01-25
Updated:
    2007-01-29 1.0.4 resolves additional similar issue
Products: rPath Linux 1
Rating: Severe
Exposure Level Classification:
    Local Root Deterministic Privilege Escalation
Updated Versions:
    rmake=/conary.rpath.com@rpl:devel//1/1.0.4-1-0.1

References:
    http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0536
    http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0557
    https://issues.rpath.com/browse/RPL-987
    https://issues.rpath.com/browse/RPL-1002

Description:
    Previous versions of the rmake package do not drop supplemental users
    in the changeroot environment for builds.  This provides malicious
    packages with excess permissions that are configuration-dependent,
    and may allow local users to run arbitrary code as the root user.
    
    29 January 2007 Update: An audit uncovered one other part of rMake
    that contained a similar issue, enabling local users to provide
    malicious recipes that enable the same type of attack.  rMake 1.0.4
    resolves both issues.

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