Articles / Debian: New crawl packages …

Debian: New crawl packages fix potential local games exploit

Steve Kemp from the GNU/Linux audit project discovered a problem in crawl, another console based dungeon exploration game, in the vein of nethack and rogue. The program uses several environment variables as inputs but doesn't apply a size check before copying one of them into a fixed size buffer. Fixed packages are available from security.debian.org.
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Hash: SHA1

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Debian Security Advisory DSA 432-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
February 3rd, 2004                      http://www.debian.org/security/faq
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Package        : crawl
Vulnerability  : buffer overflow
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2004-0103

Steve Kemp from the GNU/Linux audit project discovered a problem in
crawl, another console based dungeon exploration game, in the vein of
nethack and rogue.  The program uses several environment variables as
inputs but doesn't apply a size check before copying one of them into
a fixed size buffer.

For the stable distribution (woody) this problem has been fixed in
version 4.0.0beta23-2woody1.

For the unstable distribution (sid) this problem has been fixed in
version 4.0.0beta26-4.

We recommend that you upgrade your crawl 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/c/crawl/crawl_4.0.0beta23-2woody1.dsc
      Size/MD5 checksum:      615 31b653a8f4676721dce6fd4cd0be466a
    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1.diff.gz
      Size/MD5 checksum:     6917 b6265bdb9920f235974e956aee8ff3d8
    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23.orig.tar.gz
      Size/MD5 checksum:  1047863 6b988caff871f0df1c8f3cc907f2fce6

  Alpha architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_alpha.deb
      Size/MD5 checksum:   846352 cd6c9b2e3f956ffb90044d3f612a0541

  ARM architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_arm.deb
      Size/MD5 checksum:   612148 1d40c12a7687b8c2fbac1ea96df77904

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_i386.deb
      Size/MD5 checksum:   597308 23caee0901a3bb82a339865317bacec4

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_ia64.deb
      Size/MD5 checksum:   872990 650870a8100d6940786e51c8637bf620

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_hppa.deb
      Size/MD5 checksum:   710630 3901b6834ce7bf7a207a90a2b7dc1d06

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_m68k.deb
      Size/MD5 checksum:   582394 82175ccafa67ddf21c2ecbf76cc0bffd

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_mips.deb
      Size/MD5 checksum:   682518 6a0e340b338b97ee9a560e62b555d400

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_mipsel.deb
      Size/MD5 checksum:   680054 c943ac5a2b8f40e937911bcdc41b7f7b

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_powerpc.deb
      Size/MD5 checksum:   627012 6f582d4800a2f8a43aaed89bd9ee8d55

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_s390.deb
      Size/MD5 checksum:   595210 fc1e552be3a5e6f4a981feee849a672f

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/c/crawl/crawl_4.0.0beta23-2woody1_sparc.deb
      Size/MD5 checksum:   618752 db57f6fdc7c73721739027dd46fc1515


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

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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 ' and http://packages.debian.org/

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