bugtraq - [USN-383-1] libpng vulnerability

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Message-ID: <20061117085841.GC28893@outflux.net>
Date: Fri, 17 Nov 2006 00:58:41 -0800
From: Kees Cook <kees@...ntu.com>
To: ubuntu-security-announce@...ts.ubuntu.com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk
Subject: [USN-383-1] libpng vulnerability

=========================================================== 
Ubuntu Security Notice USN-383-1          November 16, 2006
libpng vulnerability
CVE-2006-5793
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 5.10
Ubuntu 6.06 LTS
Ubuntu 6.10

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 5.10:
  libpng10-0                               1.0.18-1ubuntu3.1

Ubuntu 6.06 LTS:
  libpng12-0                               1.2.8rel-5ubuntu0.1

Ubuntu 6.10:
  libpng12-0                               1.2.8rel-5.1ubuntu0.1

After a standard system upgrade you need to reboot your computer to
effect the necessary changes.

Details follow:

Tavis Ormandy discovered that libpng did not correctly calculate the 
size of sPLT structures when reading an image.  By tricking a user or an 
automated system into processing a specially crafted PNG file, an 
attacker could exploit this weakness to crash the application using the 
library.


Updated packages for Ubuntu 5.10:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.0.18-1ubuntu3.1.diff.gz
      Size/MD5:    12960 3ae9ff536ba163efc00070487687399b
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.0.18-1ubuntu3.1.dsc
      Size/MD5:      636 3af55a46b4ada05160527a49c5dd6671
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.0.18.orig.tar.gz
      Size/MD5:   506181 40081bdc82e4c6cf782553cd5aa8d9d8

  Architecture independent packages:

    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng2-dev_1.0.18-1ubuntu3.1_all.deb
      Size/MD5:     1166 160ce752a119a735d2abf03ec1f1dd55
    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng2_1.0.18-1ubuntu3.1_all.deb
      Size/MD5:      942 e3c40272cd978953acf3469dbda42a30

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng10-0_1.0.18-1ubuntu3.1_amd64.deb
      Size/MD5:   113890 e395ef9909e34cc4333fb868a7a794f2
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng10-dev_1.0.18-1ubuntu3.1_amd64.deb
      Size/MD5:   197710 1b46e5c7e431d6640e319ca81f0634ad

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng10-0_1.0.18-1ubuntu3.1_i386.deb
      Size/MD5:   109224 e083cb785e2bc0225b47fee51c69b22b
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng10-dev_1.0.18-1ubuntu3.1_i386.deb
      Size/MD5:   186536 476d8276b05d075552fc878547a17092

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng10-0_1.0.18-1ubuntu3.1_powerpc.deb
      Size/MD5:   111444 cda22be3ef3d978e4aa3c7111c7f7436
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng10-dev_1.0.18-1ubuntu3.1_powerpc.deb
      Size/MD5:   196744 db0ae3294f47addab0ff52b4d134fff8

  sparc architecture (Sun SPARC/UltraSPARC)

    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng10-0_1.0.18-1ubuntu3.1_sparc.deb
      Size/MD5:   109078 26672912dc8d37ae7afbc57fba8cc477
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng10-dev_1.0.18-1ubuntu3.1_sparc.deb
      Size/MD5:   192902 458ef029777b12b5b4165e63d097c774

Updated packages for Ubuntu 6.06 LTS:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.2.8rel-5ubuntu0.1.diff.gz
      Size/MD5:    16308 c13ba4eb92c046153c73cec343ba0dad
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.2.8rel-5ubuntu0.1.dsc
      Size/MD5:      652 ec80abc5bbe3fb9593374a6df3e5351d
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.2.8rel.orig.tar.gz
      Size/MD5:   510681 cac1512878fb98f2456df6dc50bc9bc7

  Architecture independent packages:

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng3_1.2.8rel-5ubuntu0.1_all.deb
      Size/MD5:      842 db0b015e80f042a3311152aad1a1f96f

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng12-0-udeb_1.2.8rel-5ubuntu0.1_amd64.udeb
      Size/MD5:    69468 8c741fd0d0ff83068e6dd78bc2e026c1
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.8rel-5ubuntu0.1_amd64.deb
      Size/MD5:   113808 c86b5b27effab5f974f4f2c4ce743515
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-dev_1.2.8rel-5ubuntu0.1_amd64.deb
      Size/MD5:   247500 6493fda0d94d75f2255cb48399fa5fec

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng12-0-udeb_1.2.8rel-5ubuntu0.1_i386.udeb
      Size/MD5:    66918 38259ac6fd9f0b4fc56e59b9b8fa75e4
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.8rel-5ubuntu0.1_i386.deb
      Size/MD5:   111304 440e23028cc1c9de3fb459f8969641d5
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-dev_1.2.8rel-5ubuntu0.1_i386.deb
      Size/MD5:   239650 0235a7988ea235573758fd45a7500cf9

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng12-0-udeb_1.2.8rel-5ubuntu0.1_powerpc.udeb
      Size/MD5:    66284 ba2f362738e47667364a69a7425a4bae
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.8rel-5ubuntu0.1_powerpc.deb
      Size/MD5:   110738 27426cfb75acb15305d71a26d79ecf70
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-dev_1.2.8rel-5ubuntu0.1_powerpc.deb
      Size/MD5:   245228 297d5a07d22ea0c2deb1e3a2da22cc7d

  sparc architecture (Sun SPARC/UltraSPARC)

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng12-0-udeb_1.2.8rel-5ubuntu0.1_sparc.udeb
      Size/MD5:    63820 b28e9240844c87f288986efcfaa6d82b
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.8rel-5ubuntu0.1_sparc.deb
      Size/MD5:   108438 439feb51a430e75b0314ebd0bbe9eeaf
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-dev_1.2.8rel-5ubuntu0.1_sparc.deb
      Size/MD5:   240068 f1d19c0623d6a875c240ae809f39cc37

Updated packages for Ubuntu 6.10:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.2.8rel-5.1ubuntu0.1.diff.gz
      Size/MD5:    16419 341fce97b60457776d7d5b3045e98ab8
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.2.8rel-5.1ubuntu0.1.dsc
      Size/MD5:      659 128223fd1ee1485c1edda30965e2c638
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng_1.2.8rel.orig.tar.gz
      Size/MD5:   510681 cac1512878fb98f2456df6dc50bc9bc7

  Architecture independent packages:

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng3_1.2.8rel-5.1ubuntu0.1_all.deb
      Size/MD5:      884 ff80da62782949d9ee6e2f45de7368d8

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng12-0-udeb_1.2.8rel-5.1ubuntu0.1_amd64.udeb
      Size/MD5:    68974 410bb02f1680b74c0b7bdfe75b6d4f6c
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.8rel-5.1ubuntu0.1_amd64.deb
      Size/MD5:   113470 595b09232667d5f45bfc94cbac2154e4
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-dev_1.2.8rel-5.1ubuntu0.1_amd64.deb
      Size/MD5:   247126 af29f417517106cf651dab5c92ad52ee

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng12-0-udeb_1.2.8rel-5.1ubuntu0.1_i386.udeb
      Size/MD5:    69914 d335eae45c97a06251e2b1bb263a0f78
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.8rel-5.1ubuntu0.1_i386.deb
      Size/MD5:   114466 eb4ebc44ac004eddd4ac551f443d9196
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-dev_1.2.8rel-5.1ubuntu0.1_i386.deb
      Size/MD5:   242864 a79b348098a3e5051a93dcc3bfc44f80

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng12-0-udeb_1.2.8rel-5.1ubuntu0.1_powerpc.udeb
      Size/MD5:    67592 c11829d98adc0dd16883d1b00c773691
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.8rel-5.1ubuntu0.1_powerpc.deb
      Size/MD5:   112146 e95acde5a5756fe1e8ae3085e160a437
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-dev_1.2.8rel-5.1ubuntu0.1_powerpc.deb
      Size/MD5:   246662 eea28613a44952b49f1ebd1c9365c31e

  sparc architecture (Sun SPARC/UltraSPARC)

    http://security.ubuntu.com/ubuntu/pool/universe/libp/libpng/libpng12-0-udeb_1.2.8rel-5.1ubuntu0.1_sparc.udeb
      Size/MD5:    64644 0a019f09ea70eb9e0734542116919875
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.8rel-5.1ubuntu0.1_sparc.deb
      Size/MD5:   109320 c8c61d5fc9db2c8edf9ca933bc0aeea6
    http://security.ubuntu.com/ubuntu/pool/main/libp/libpng/libpng12-dev_1.2.8rel-5.1ubuntu0.1_sparc.deb
      Size/MD5:   241060 a4d7a38de962236150bbbb84be9c542f


Download attachment "signature.asc" of type "application/pgp-signature" (190 bytes)