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Debian: New unzip packages fix unauthorised permissions modification Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Debian Updated package.
- --------------------------------------------------------------------------
Debian Security Advisory DSA 903-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
November 21st, 2005                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : unzip
Vulnerability  : race condition
Problem type   : local
Debian-specific: no
CVE ID         : CAN-2005-2475
BugTraq ID     : 14450
Debian Bug     : 321927

Imran Ghory discovered a race condition in the permissions setting
code in unzip.  When decompressing a file in a directory an attacker
has access to, unzip could be tricked to set the file permissions to a
different file the user has permissions to.

For the old stable distribution (woody) this problem has been fixed in
version 5.50-1woody4.

For the stable distribution (sarge) this problem has been fixed in
version 5.52-1sarge2.

For the unstable distribution (sid) this problem has been fixed in
version 5.52-4.

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_5.50-1woody4.dsc
      Size/MD5 checksum:      571 684b8e8a520bfb6fa00ed477e1df9f0e
    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4.diff.gz
      Size/MD5 checksum:     6099 44a7e7bb15dd3ab02a7e001cdaa0ca79
    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_5.50-1woody4_alpha.deb
      Size/MD5 checksum:   160404 4031c211175ee7c728f8cc42334ae816

  ARM architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_arm.deb
      Size/MD5 checksum:   139336 7ebcf2fc5f4cc97000954c05bd80966b

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_i386.deb
      Size/MD5 checksum:   122764 2369eed1365bb4f6aadd09ac75c9693b

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_ia64.deb
      Size/MD5 checksum:   190982 a0e88f9c1279d3b2c7941690e439ff65

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_hppa.deb
      Size/MD5 checksum:   146928 7cfae9b95228d90ca3a1d83bda79655b

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_m68k.deb
      Size/MD5 checksum:   119542 f3b8481fb06596dc6fc84aeefd7e5bbf

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_mips.deb
      Size/MD5 checksum:   142948 dc037b7fa6f703ca7a1b140d2c19911e

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_mipsel.deb
      Size/MD5 checksum:   143390 3630211263e9245e1773913a2474a9ff

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_powerpc.deb
      Size/MD5 checksum:   136326 0aa9b78a55e11796693b906f0900ac64

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_s390.deb
      Size/MD5 checksum:   137018 cfd3ef68d1c6d2ecde54c1a67a6c3adc

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody4_sparc.deb
      Size/MD5 checksum:   147472 3f90c2488e0bf3aa6b3f0ec8acd815d9


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

  Source archives:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2.dsc
      Size/MD5 checksum:      528 84e70559fc6ca7a2a9331f31f462b548
    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2.diff.gz
      Size/MD5 checksum:     4970 69b3a1be17c376bf4419201f4d1ec8a5
    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_5.52-1sarge2_alpha.deb
      Size/MD5 checksum:   175420 841029027991b860df6215c994b7c3b6

  AMD64 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_amd64.deb
      Size/MD5 checksum:   154804 c3a1cf3a9e5f63af998df54898e4d88f

  ARM architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_arm.deb
      Size/MD5 checksum:   155356 7d0ea21c83b7c01c74c3822abd5f022c

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_i386.deb
      Size/MD5 checksum:   144864 320a080d0cfbf93a47e75469d95f84e9

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_ia64.deb
      Size/MD5 checksum:   206580 ba92d4f8810bc7a44ab7c8957f23222a

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_hppa.deb
      Size/MD5 checksum:   162756 fd86bf652a165e4f8d390faae9568514

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_m68k.deb
      Size/MD5 checksum:   133674 da733ceba3d7467b46a5ec4ba92d4acc

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_mips.deb
      Size/MD5 checksum:   163318 773c63ffc83a536d8809757d5a8a8b4a

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_mipsel.deb
      Size/MD5 checksum:   163892 18f2898f965b04c40d72d92c91243dfd

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_powerpc.deb
      Size/MD5 checksum:   157286 822fb6f064c6a298659f4966034a76fb

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_s390.deb
      Size/MD5 checksum:   156410 7bb65d46d779040eeaddab1ff916c039

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge2_sparc.deb
      Size/MD5 checksum:   154876 763b24730efd2ac6a334f8d1af1706be


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

- ---------------------------------------------------------------------------------
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
 
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