full-disclosure - [SECURITY] [DSA 825-1] New loop-aes-utils packages fix privilege escalation

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Message-ID: <m1EL12v-000ofrC@finlandia.Infodrom.North.DE>
Date: Thu Sep 29 17:27:30 2005
From: joey at infodrom.org (Martin Schulze)
Subject: [SECURITY] [DSA 825-1] New loop-aes-utils
	packages fix privilege escalation

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- --------------------------------------------------------------------------
Debian Security Advisory DSA 825-1                     security@...ian.org
http://www.debian.org/security/                             Martin Schulze
September 29th, 2005                    http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : loop-aes-utils
Vulnerability  : privilege escalation
Problem type   : local
Debian-specific: no
CVE ID         : CAN-2005-2876

David Watson discoverd a bug in mount as provided by util-linux and
other packages such as loop-aes-utils that allows local users to
bypass filesystem access restrictions by re-mounting it read-only.

The old stable distribution (woody) does not contain loop-aes-utils
packages.

For the stable distribution (sarge) this problem has been fixed in
version 2.12p-4sarge1.

For the unstable distribution (sid) this problem has been fixed in
version 2.12p-9.

We recommend that you upgrade your loop-aes-utils 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 3.1 alias sarge
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1.dsc
      Size/MD5 checksum:      684 e708365ea3b674ef3983edda999d8070
    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1.diff.gz
      Size/MD5 checksum:    69614 f085322d67f1300c914910c1ca1fd95f
    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p.orig.tar.gz
      Size/MD5 checksum:  2001658 d47e820f6880c21c8b4c0c7e8a7376cc

  Alpha architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_alpha.deb
      Size/MD5 checksum:   169938 66c4a72d906d1e55965165e3b6f49689

  AMD64 architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_amd64.deb
      Size/MD5 checksum:   150498 9d6d3455ac704fa38601a2a1670d9f2a

  ARM architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_arm.deb
      Size/MD5 checksum:   142030 c7c7fc0cb178d9b9878d936f0a8426e3

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_i386.deb
      Size/MD5 checksum:   142250 de42b52353becd80ee61922a1b21486a

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_ia64.deb
      Size/MD5 checksum:   190858 ede8efa9e792c2e8e05ddc08b1570670

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_hppa.deb
      Size/MD5 checksum:   156618 d326b2462c0f9abd2278e0ea4c809183

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_m68k.deb
      Size/MD5 checksum:   132244 de86a9f8f29f23ea7d2b8ee896844ba6

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_mips.deb
      Size/MD5 checksum:   159556 f37ed88ed75765546aba0ae13e2f80ab

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_mipsel.deb
      Size/MD5 checksum:   160092 2a89a577a2edec9920050650b7e96484

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_powerpc.deb
      Size/MD5 checksum:   155064 64bb3aff51cdff0a0bc6851e9aed2ddd

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_s390.deb
      Size/MD5 checksum:   153226 9a4bb20c30f7cf5127c0c5ec6f0862e8

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/l/loop-aes-utils/loop-aes-utils_2.12p-4sarge1_sparc.deb
      Size/MD5 checksum:   142068 15cb6e8097a22a66e77ff7fd0aebbe76


  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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