full-disclosure - rPSA-2006-0198-1 screen

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Date: Thu, 26 Oct 2006 03:28:11 -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-2006-0198-1 screen

rPath Security Advisory: 2006-0198-1
Published: 2006-10-26
Products: rPath Linux 1
Rating: Minor
Exposure Level Classification:
    Indirect User Deterministic Unauthorized Access
Updated Versions:
    screen=/conary.rpath.com@rpl:devel//1/4.0.3-0.1-1

References:
    http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4573
    https://issues.rpath.com/browse/RPL-734

Description:
    In previous versions of the screen package, the screen program had
    a bug which is known to make screen vulnerable to a minor denial of
    service attack in which the screen program would crash if presented
    with particular output.  It is possible that this attack could also
    allow a user-complicit attacker to assume the privileges of the
    complicit user.  The screen program is not setuid in rPath Linux,
    so any attack is limited to the complicit user.

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