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Debian: unzip directory traversal vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Debian A directory traversal vulnerability in UnZip 5.50 allows attackers to bypass a check for relative pathnames ("../") by placing certain invalid characters between the two "." characters.

- --------------------------------------------------------------------------
Debian Security Advisory DSA 344-1                     security@debian.org 
http://www.debian.org/security/                             Matt Zimmerman
July 8th, 2003                           http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : unzip
Vulnerability  : directory traversal
Problem-Type   : local
Debian-specific: no
CVE Ids        : CAN-2003-0282

A directory traversal vulnerability in UnZip 5.50 allows attackers to
bypass a check for relative pathnames ("../") by placing certain invalid
characters between the two "." characters.

For the stable distribution (woody) this problem has been fixed in
version 5.50-1woody1.

For the unstable distribution (sid) this problem will be fixed soon.

We recommend that you update 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_5.50-1woody1.dsc
      Size/MD5 checksum:      528 78fe98174204f12d53c472429f570b72
     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1.diff.gz
      Size/MD5 checksum:     4281 d143f706e7598b72b80c2b0479f74c82
     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_5.50-1woody1_alpha.deb
      Size/MD5 checksum:   159796 d102536d4df17efa47d181e892cd0a78

  ARM architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_arm.deb
      Size/MD5 checksum:   138900 2cad290445168c872140ccfa4d991c64

  Intel IA-32 architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_i386.deb
      Size/MD5 checksum:   122262 23f370812910bfe54af5248ed8d436b0

  Intel IA-64 architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_ia64.deb
      Size/MD5 checksum:   190398 68e1c6567a8dad804dcb6e312e3b081b

  HP Precision architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_hppa.deb
      Size/MD5 checksum:   146386 1b81ff0dd1dcc257b03075656d54aaba

  Motorola 680x0 architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_m68k.deb
      Size/MD5 checksum:   118962 8ed05af2af30b9965bec490fa33c3647

  Big endian MIPS architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_mips.deb
      Size/MD5 checksum:   142572 b7d0ead363f47c34188ef454d13d1495

  Little endian MIPS architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_mipsel.deb
      Size/MD5 checksum:   143038 45b35c8d561fcbcbfa74d18988ac9ef0

  PowerPC architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_powerpc.deb
      Size/MD5 checksum:   135910 e694627b076850fad5979d361038bc48

  IBM S/390 architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_s390.deb
      Size/MD5 checksum:   136418 b5b4c6448d02b8aba0ecbe7892d9393c

  Sun Sparc architecture:

     http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody1_sparc.deb
      Size/MD5 checksum:   146950 b01e9ee7609d8bdbff57e61c0679d691

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

 
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