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Date: Fri, 27 May 2005 19:41:55 +0200 (CEST)
From: (Martin Schulze)
Subject: [SECURITY] [DSA 730-1] New bzip2 packages fix file unauthorised permissions modification

Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA 730-1                                        Martin Schulze
May 27th, 2005                
- --------------------------------------------------------------------------

Package        : bzip2
Vulnerability  : race condition
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2005-0953
Debian Bug     : 303300

Imran Ghory discovered a race condition in bzip2, a high-quality
block-sorting file compressor and decompressor.  When decompressing a
file in a directory an attacker has access to, bunzip2 could be
tricked to set the file permissions to a different file the user has
permissions to.

For the stable distribution (woody) this problem has been fixed in
version 1.0.2-1.woody2

For the testing distribution (sarge) this problem has been fixed in
version 1.0.2-6.

For the unstable distribution (sid) this problem has been fixed in
version 1.0.2-6.

We recommend that you upgrade your bzip2 packages.

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:
      Size/MD5 checksum:      577 096bfd852f8d33c3e14d3988982a1569
      Size/MD5 checksum:     8674 edf89c2f7477c6bf7c326cd498c93cf6
      Size/MD5 checksum:   665198 ee76864958d568677f03db8afad92beb

  Alpha architecture:
      Size/MD5 checksum:   233744 aa8f40bff85ef6090f9ac33b9b6464ea
      Size/MD5 checksum:    44328 4916e3d394339d4ac0b933e0cd088e09
      Size/MD5 checksum:    38642 17ad994adcaa7ea7821e51e2aca4352b

  ARM architecture:
      Size/MD5 checksum:   230336 8877499a4487ab422acf71a3aa6476ba
      Size/MD5 checksum:    38586 033422c75005dcecfa37dde46f82b01e
      Size/MD5 checksum:    35514 a052d0a8de9154752998080e6bba12e6

  Intel IA-32 architecture:
      Size/MD5 checksum:   228718 644eab4e2e3ca86af9712bf4965b4d08
      Size/MD5 checksum:    35610 c96ec29b510971a9f1043c68055643dc
      Size/MD5 checksum:    28286 da5e7f1f21027869052f17ac01fd5a44

  Intel IA-64 architecture:
      Size/MD5 checksum:   238402 4d4183e3ef12a05bbeba5f108ad29456
      Size/MD5 checksum:    53442 4c16e9b4a96ca9a5e32b4fd9f1c2845b
      Size/MD5 checksum:    47392 23203deabd2344704d752ecd67d2865a

  HP Precision architecture:
      Size/MD5 checksum:   232086 9413d168e09066a2a2620ff17fabdbc0
      Size/MD5 checksum:    40842 ff96499e343c263424e3261177a6332d
      Size/MD5 checksum:    33662 33b200e35cc2752165be44a30d3d2bc4

  Motorola 680x0 architecture:
      Size/MD5 checksum:   227796 4d2506ded26c2fd0cc4f8096f72457eb
      Size/MD5 checksum:    33518 bb85503df1c97f9bb42f9db24fbcb2d1
      Size/MD5 checksum:    26330 61e92e6862e8c42042c61d437f3077b7

  Big endian MIPS architecture:
      Size/MD5 checksum:   231162 f8a5f09c553bc1ac94d7440480c0fe14
      Size/MD5 checksum:    37450 4ea2c17ba704c7d770794c7c31ea3814
      Size/MD5 checksum:    32796 6adfdb5d25347f4b0f2d0e19e6de8958

  Little endian MIPS architecture:
      Size/MD5 checksum:   231086 9750001ec050e617fd2ba27f068ef8d6
      Size/MD5 checksum:    37550 1a6b8624877870c4196ef15dc8c289d7
      Size/MD5 checksum:    32980 c569f1ca4fd75aa9f5df397402b59517

  PowerPC architecture:
      Size/MD5 checksum:   229524 f21c4e243d427351d41cfb5637a3162c
      Size/MD5 checksum:    37510 5ec6346ca8ee4c06a2230cb3f259a7dc
      Size/MD5 checksum:    31560 a924cfaa4f09d2de69c970452963734a

  IBM S/390 architecture:
      Size/MD5 checksum:   230292 67c208cdc3fcfe7f5d605ae8d7ae4276
      Size/MD5 checksum:    38390 72d45a72313d1c62089e5d7fb31bd748
      Size/MD5 checksum:    31756 620ae0df40745b49b7325aa89f411cd1

  Sun Sparc architecture:
      Size/MD5 checksum:   236378 d916415cba9afc2e5063b03c6db123d4
      Size/MD5 checksum:    37024 eb236a798bc8ab0d889df8d24487b875
      Size/MD5 checksum:    30686 10ad046933e4a007bef6b82345a2d6ab

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

- ---------------------------------------------------------------------------------
For apt-get: deb stable/updates main
For dpkg-ftp: dists/stable/updates/main
Mailing list:
Package info: `apt-cache show <pkg>' and<pkg>

Version: GnuPG v1.4.1 (GNU/Linux)


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