full-disclosure - [SECURITY] [DSA 1722-1] New libpam-heimdal packages fix local privilege escalation

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Message-ID: <20090211210435.GA4248@galadriel.inutil.org>
Date: Wed, 11 Feb 2009 22:04:35 +0100
From: Moritz Muehlenhoff <jmm@...ian.org>
To: debian-security-announce@...ts.debian.org
Subject: [SECURITY] [DSA 1722-1] New libpam-heimdal
	packages fix local privilege	escalation

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- ------------------------------------------------------------------------
Debian Security Advisory DSA-1722-1                  security@...ian.org
http://www.debian.org/security/                       Moritz Muehlenhoff
February 11, 2009                     http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : libpam-heimdal
Vulnerability  : programming error
Problem type   : local
Debian-specific: no
CVE Id(s)      : CVE-2009-0361

Derek Chan discovered that the PAM module for the Heimdal Kerberos
implementation allows reinitialisation of user credentials when run
from a setuid context, resulting in potential local denial of service
by overwriting the credential cache file or to local privilege
escalation.

For the stable distribution (etch), this problem has been fixed in
version 2.5-1etch1.

For the upcoming stable distribution (lenny), this problem has been
fixed in version 3.10-2.1.

For the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your libpam-heimdal package.

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 4.0 alias etch
- -------------------------------

Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.

Source archives:

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1.dsc
    Size/MD5 checksum:      699 09e39eb1552950761fdcc51babceef11
  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1.diff.gz
    Size/MD5 checksum:     8208 3e178b9617aadc2e030c07fec659330c
  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5.orig.tar.gz
    Size/MD5 checksum:   117834 a80c66fcf0c48608abfb5ff0c443ab94

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_amd64.deb
    Size/MD5 checksum:    38348 a9b7ddbb56515616567b46ead7d48213

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_arm.deb
    Size/MD5 checksum:    36226 bdfaa1037d3b02494f28d2da628e038f

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_hppa.deb
    Size/MD5 checksum:    39432 f721ac5acbaeb33f26c6387ccc4e73da

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_i386.deb
    Size/MD5 checksum:    37652 c1b56b35fb35c0d700de6ea53d753a4e

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_ia64.deb
    Size/MD5 checksum:    43594 2238be62f72a01bbac329d2b5dc0bbe4

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_mips.deb
    Size/MD5 checksum:    37544 80164efa305002d37aeb9c67b1a41f09

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_mipsel.deb
    Size/MD5 checksum:    37534 7d911ce54e2e8f078f117984ffbe4b97

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_powerpc.deb
    Size/MD5 checksum:    39256 076218cc619f405bb07016ecb2eeaef6

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_s390.deb
    Size/MD5 checksum:    38826 be7ee31cad3f876e7f2a343d8cf9f413

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_sparc.deb
    Size/MD5 checksum:    37166 bc2d46af607a9acd7978f6973cdc5ecf


  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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