Debian alert: New mhc-utils packages fix predictable temporary file

Posted by dave on Feb 28, 2003 6:20 AM EDT
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It has been discovered that adb2mhc from the mhc-utils package. The default temporary directory uses a predictable name. This adds a vulnerability that allows a local attacker to overwrite arbitrary files the users has write permissions for.

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Debian Security Advisory DSA 256-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
February 28th, 2003                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : mhc
Vulnerability  : insecure temporary file
Problem-Type   : local
Debian-specific: no

It has been discovered that adb2mhc from the mhc-utils package.  The
default temporary directory uses a predictable name.  This adds a
vulnerability that allows a local attacker to overwrite arbitrary
files the users has write permissions for.

For the stable distribution (woody) this problem has been
fixed in version 0.25+20010625-7.1.

For the old stable distribution (potato) does not contain mhc
packages.

For the unstable distribution (sid) this problem has been fixed in
version 0.25+20030224-1.

We recommend that you upgrade your mhc-utils packages.


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 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/m/mhc/mhc_0.25+20010625-7.1.dsc
      Size/MD5 checksum:      617 fc3098663e051e20fed88ee8e7a7bfbd
    http://security.debian.org/pool/updates/main/m/mhc/mhc_0.25+20010625-7.1.diff.gz
      Size/MD5 checksum:    14493 ac68647bb9aed85ce74037b5eb306b54
    http://security.debian.org/pool/updates/main/m/mhc/mhc_0.25+20010625.orig.tar.gz
      Size/MD5 checksum:   208318 2233746036919a421f7f291625761823

  Architecture independent components:

    http://security.debian.org/pool/updates/main/m/mhc/mhc_0.25+20010625-7.1_all.deb
      Size/MD5 checksum:   147808 c5f128fe3d1d2a9b643874f78d40a5ab

  Alpha architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_alpha.deb
      Size/MD5 checksum:    91336 07930235dbf263b9b87e89b28725e1ed

  ARM architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_arm.deb
      Size/MD5 checksum:    89882 95393dceb844b1e1b5c7abe8e1391ed9

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_i386.deb
      Size/MD5 checksum:    89500 95b17072c6f272a7cf3613eaec4daf94

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_ia64.deb
      Size/MD5 checksum:    96796 21fed065479b00474369ffa64cbd2537

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_hppa.deb
      Size/MD5 checksum:    92072 56854ee04eadb0e6cf6dea106d54ccdf

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_m68k.deb
      Size/MD5 checksum:    89842 b8ea321b3b85af7f6ccaa1a73a1ad3d3

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_mips.deb
      Size/MD5 checksum:    89846 26cc8298c8012004f4a7d3561b8c0a76

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_mipsel.deb
      Size/MD5 checksum:    89738 3f224d8ed5bfc46311d3b725849d8d6f

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_powerpc.deb
      Size/MD5 checksum:    89820 05aced4ba0ba537d8de38339b5a44f08

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_s390.deb
      Size/MD5 checksum:    90426 ed10fcd3f89b6fbd9a40b52ead00df17

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/m/mhc/mhc-utils_0.25+20010625-7.1_sparc.deb
      Size/MD5 checksum:    90140 53a151508170f3ca559a093f6331c357


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

- ---------------------------------------------------------------------------------
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@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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