Articles / Debian: New unzip packages …

Debian: New unzip packages fix arbitrary code execution

A buffer overflow in the command line argument parsing has been discovered in unzip, the de-archiver for ZIP files that could lead to the execution of arbitrary code. Fixed packages are available from security.debian.org.
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Debian Security Advisory DSA 1012-1                    security@debian.org
http://www.debian.org/security/                             Martin Schulze
March 21st, 2006                        http://www.debian.org/security/faq
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Package        : unzip
Vulnerability  : buffer overflow
Problem type   : local (remote)
Debian-specific: no
CVE ID         : CVE-2005-4667
CERT advisory  : 
BugTraq ID     : 15968
Debian Bug     : 349794.

A buffer overflow in the command line argument parsing has been
discovered in unzip, the de-archiver for ZIP files that could lead to
the execution of arbitrary code.

For the old stable distribution (woody) this problem has been fixed in
version 5.50-1woody6.

For the stable distribution (sarge) this problem has been fixed in
version 5.52-1sarge4.

For the unstable distribution (sid) this problem has been fixed in
version 5.52-7.

We recommend that you upgrade your unzip 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/u/unzip/unzip_5.50-1woody6.dsc
      Size/MD5 checksum:      571 cc14465fbe413ef3a7f5c5d9ffc117ce
    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6.diff.gz
      Size/MD5 checksum:     7373 6964744843adce4de0913f5ff9a0e710
    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50.orig.tar.gz
      Size/MD5 checksum:  1068379 6d27bcdf9b51d0ad0f78161d0f99582e

  Alpha architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_alpha.deb
      Size/MD5 checksum:   160670 5314de93efaf4eb391d151fc99b76385

  ARM architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_arm.deb
      Size/MD5 checksum:   139532 52ce821cdbeb1055acf4000adcbecf10

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_i386.deb
      Size/MD5 checksum:   122950 783758b4c93d0be1c2aad7b2cf41a4a4

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_ia64.deb
      Size/MD5 checksum:   191146 90a66edf48109c217d9da2615a99e32a

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_hppa.deb
      Size/MD5 checksum:   147126 4b49f39b4fe4142716df95c08f61a66b

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_m68k.deb
      Size/MD5 checksum:   119684 51c36fc99310866c4158b4962f80354f

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_mips.deb
      Size/MD5 checksum:   143092 988785cbcb0ef2d656c82396b1a3d084

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_mipsel.deb
      Size/MD5 checksum:   143534 6f4ee2d9bcadf4aef4dadaf16c270024

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_powerpc.deb
      Size/MD5 checksum:   136544 41839b724b2f0f5faee98bb410b92015

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_s390.deb
      Size/MD5 checksum:   137202 e55b19543ea9b5526daf45506e07a373

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody6_sparc.deb
      Size/MD5 checksum:   147670 9e0bcfaa072cf09b67b3af6361b6941c


Debian GNU/Linux 3.1 alias sarge
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4.dsc
      Size/MD5 checksum:      528 fa94e70012ca87d3c47a32cc1a5ee8d1
    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4.diff.gz
      Size/MD5 checksum:     5970 d90c45ee99376216714a74619e9dd241
    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52.orig.tar.gz
      Size/MD5 checksum:  1140291 9d23919999d6eac9217d1f41472034a9

  Alpha architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_alpha.deb
      Size/MD5 checksum:   175568 2c937f3342f888c177d14b508c5bcfc2

  AMD64 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_amd64.deb
      Size/MD5 checksum:   154984 a4b1a683d280713aa81e19b2b2576894

  ARM architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_arm.deb
      Size/MD5 checksum:   155496 ae1fe7b4d009fa7cfb838e86e53c3017

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_i386.deb
      Size/MD5 checksum:   145018 8e5def26db7c48b5c13374d8721c78f0

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_ia64.deb
      Size/MD5 checksum:   206712 72bccff65305290aeb40a548ee134b72

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_hppa.deb
      Size/MD5 checksum:   162914 4e946c0b5fbdb669f9b4dcc7b04dcffa

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_m68k.deb
      Size/MD5 checksum:   133792 5cb71bb725b0f0e12b14103ad31832d2

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_mips.deb
      Size/MD5 checksum:   163458 c11e854b0131f93c9debf23b18e3e49a

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_mipsel.deb
      Size/MD5 checksum:   164040 049471a42b402971801375b6bc40825a

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_powerpc.deb
      Size/MD5 checksum:   157426 d717ec6573055c17931206906dc8b580

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_s390.deb
      Size/MD5 checksum:   156594 6e200ece0aa56e8c67958568e43ea33c

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge4_sparc.deb
      Size/MD5 checksum:   155024 ebba4fa2a38e5be774a06288860a4757


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

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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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