bugtraq - rPSA-2006-0150-1 krb5 krb5-server krb5-services krb5-test krb5-workstation

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Date: Wed, 09 Aug 2006 13:01:42 -0400
From: "Justin M. Forbes" <jmforbes@...th.com>
To: security-announce@...ts.rpath.com,
	update-announce@...ts.rpath.com
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	lwn@....net
Subject: rPSA-2006-0150-1 krb5 krb5-server krb5-services krb5-test
 krb5-workstation

rPath Security Advisory: 2006-0150-1
Published: 2006-08-09
Products: rPath Linux 1
Rating: Major
Exposure Level Classification:
    Local Root Deterministic Privilege Escalation
Updated Versions:
    krb5=/conary.rpath.com@rpl:devel//1/1.4.1-7.2-1
    krb5-server=/conary.rpath.com@rpl:devel//1/1.4.1-7.2-1
    krb5-services=/conary.rpath.com@rpl:devel//1/1.4.1-7.2-1
    krb5-test=/conary.rpath.com@rpl:devel//1/1.4.1-7.2-1
    krb5-workstation=/conary.rpath.com@rpl:devel//1/1.4.1-7.2-1

References:
    http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3083
    https://issues.rpath.com/browse/RPL-570
    http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2006-001-setuid.txt

Description:
    Previous versions of the krb5 packages are vulnerable to local
    root privilege escalation caused by not checking the return
    code from the setuid() function in several utilities.  These
    vulnerabilities are not exposed in the default configuration on
    rPath Linux, but some rPath Linux users may have configured krb5
    to expose the vulnerabilities by enabling the kerberos krsh and
    kerberos ftp services, or by making the ksu or v4rcp binaries
    setuid root.  These vulnerabilities have been resolved in the
    new versions of the krb5 packages.