bugtraq - [SECURITY] [DSA 1060-1] New kernel-patch-vserver packages fix privilege escalation

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Message-ID: <20060519181645.GA6989__18687.1263351806$1148065733$gmane$org@galadriel.inutil.org>
Date: Fri, 19 May 2006 20:16:45 +0200
From: Moritz Muehlenhoff <jmm@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 1060-1] New kernel-patch-vserver packages fix privilege escalation


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Debian Security Advisory DSA 1060-1                    security@...ian.org
http://www.debian.org/security/                         Moritz Muehlenhoff
May 19th, 2006                          http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : kernel-patch-vserver
Vulnerability  : programming error
Problem-Type   : local
Debian-specific: no
CVE ID         : CVE-2006-2110

Jan Rekorajski discovered that the kernel patch for virtual private servers
does not limit context capabilities to the root user within the virtual
server, which might lead to privilege escalation for some virtual server
specific operations.

The old stable distribution (woody) does not contain kernel-patch-vserver
packages.

For the stable distribution (sarge) this problem has been fixed in
version 1.9.5.6.

For the unstable distribution (sid) this problem has been fixed in
version 2:2.0.1-4.

We recommend that you upgrade your kernel-patch-vserver package and
rebuild your kernel immediately.


Upgrade Instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 3.1 alias sarge
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/k/kernel-patch-vserver/kernel-patch-vserver_1.9.5.6.dsc
      Size/MD5 checksum:      635 512748c6aad20c132cbdf85c5e4fd72a
    http://security.debian.org/pool/updates/main/k/kernel-patch-vserver/kernel-patch-vserver_1.9.5.6.tar.gz
      Size/MD5 checksum:   945398 671ed0151cf315be316024c8a946afe9

  Architecture independent components:

    http://security.debian.org/pool/updates/main/k/kernel-patch-vserver/kernel-patch-vserver_1.9.5.6_all.deb
      Size/MD5 checksum:   431900 02b2d5ba6d4144b8f45056d30100db30


  These files will probably be moved into the stable distribution on
  its next update.

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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