full-disclosure - [SECURITY] [DSA-329-1] New osh packages fix buffer overflows

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From: debian-security-announce at lists.debian.org (debian-security-announce@...ts.debian.org)
Subject: [SECURITY] [DSA-329-1] New osh packages fix buffer overflows

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Debian Security Advisory DSA 329-1                     security@...ian.org
http://www.debian.org/security/                             Matt Zimmerman
June 20th, 2003                         http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : osh
Vulnerability  : buffer overflows
Problem-Type   : local
Debian-specific: no

Steve Kemp discovered that osh, a shell intended to restrict the
actions of the user, contains two buffer overflows, in processing
environment variables and file redirections.  These vulnerabilities
could be used to execute arbitrary code, overriding any restrictions
placed on the shell.

For the stable distribution (woody) this problem has been fixed in
version 1.7-11woody1.

The old stable distribution (potato) is affected by this problem, and
may be fixed in a future advisory on a time-available basis.

For the unstable distribution (sid) this problem is fixed in version
1.7-12.

We recommend that you update your osh 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 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1.dsc
      Size/MD5 checksum:      565 3af7f1c0c6a346d204c379b1a0c76239
    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1.diff.gz
      Size/MD5 checksum:    11456 50c1a6f3a14d5a9a87a0903d01e40f82

  Alpha architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_alpha.deb
      Size/MD5 checksum:    33018 b655c662609b7bb5062a20b657a17a4c

  ARM architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_arm.deb
      Size/MD5 checksum:    27164 1f47067f854ca6997eaf5c1dde43f80d

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_i386.deb
      Size/MD5 checksum:    26734 dc76617c5ba84467187da2ef53b6b5b9

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_ia64.deb
      Size/MD5 checksum:    36458 6611963c875df296cc82331a0d4ac5af

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_hppa.deb
      Size/MD5 checksum:    29144 5a16455ee0e50519b006010748d8e3b8

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_m68k.deb
      Size/MD5 checksum:    26014 8d8cfaa42fa540c7dc3e74e80a96e4a6

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_mips.deb
      Size/MD5 checksum:    29296 e1d1fbeea475a3b7cb788e0dcb03ba08

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_mipsel.deb
      Size/MD5 checksum:    29218 1c647b0936720769bd3be3649849db7f

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_powerpc.deb
      Size/MD5 checksum:    28534 7b6ef4f5ac2c7d3dd919262d04b24f7d

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_s390.deb
      Size/MD5 checksum:    27944 b14299fa7552124c3e6b05001e79e646

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/o/osh/osh_1.7-11woody1_sparc.deb
      Size/MD5 checksum:    30626 58a7ccea2b17bbdbd124565545dd1057

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