full-disclosure - rPSA-2007-0096-1 shadow

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Date: Fri, 11 May 2007 13:31:30 -0400
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-2007-0096-1 shadow

rPath Security Advisory: 2007-0096-1
Published: 2007-05-11
Products: rPath Linux 1
Rating: Minor
Exposure Level Classification:
    Indirect Non-deterministic Weakness
Updated Versions:
    shadow=/conary.rpath.com@rpl:devel//1/4.0.7-14.2-1

References:
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1174
    https://issues.rpath.com/browse/RPL-1357

Description:
    Previous versions of the shadow package have a weakness in the
    useradd program; it may in some cases create new mail spool files
    with a mode that may be vulnerable to reading and/or writing by
    attackers with local system access.  Note that, despite the clear bug
    in the source code, we have seen no instances in practice of mail
    spool files being created with insecure permissions.  This update
    will not fix permissions on existing system mailbox files, since it
    is not possible to determine if any particular set of permissions
    was chosen intentionally.  Mail spool files are normally mode 660.

Copyright 2007 rPath, Inc.
This file is distributed under the terms of the MIT License.
A copy is available at http://www.rpath.com/permanent/mit-license.html

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