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[debian-users:33962] [Translate] [SECURITY] [DSA 140-2] New libpng packages fix potential buffer overflow

From: Seiji Kaneko <skaneko@xxxxxxxxxxxx>
Subject: [debian-users:33962] [Translate] [SECURITY] [DSA 140-2] New libpng packages fix potential buffer overflow
Date: Mon, 5 Aug 2002 22:04:49 +0900
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かねこです。
URL 等は元記事を確認ください。

------>8------------>8------------>8------------>8------------>8
- --------------------------------------------------------------------------
Debian Security Advisory DSA 140-2                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
August 5th, 2002
- --------------------------------------------------------------------------

Package        : libpng, libpng3
Vulnerability  : バッファオーバフロー
Problem-Type   : remote
Debian-specific: no

勧告 DSA 140-1 の内容に加えて、以下の新パッケージではもう一つの潜在的バ
ッファオーバフローを修正しています。PNG ライブラリに、安全のためのマー
ジンを取るようにしており、これは新しい上流のパッケージにも含まれるよう
になりました。このことを連絡いただいた Glenn Randers-Pehrson さんに感謝
します。

この問題は libpng のバージョン 1.0.12-3.woody.2 で、libpng3 のバージョ
ン 1.2.1-1.1.woody.2 の各々で、現安定版 (stable) で修正されています。
なお、旧安定版 (stable) の potato には、DSA-140 勧告の脆弱性はありませ
ん。

すぐに libpng パッケージをアップグレードし、これらのライブラリを使って
外部のデータを読んでいるプログラム (Web ブラウザなど) とデーモンを再起
動することを勧めます。

wget url
	でファイルを取得できます。
dpkg -i file.deb
        で参照されたファイルをインストールできます。

apt-get パッケージマネージャを使っているなら、以下記載の sources.list
を用いて、次のコマンドを使ってください。

apt-get update
        これは内部データベースを更新します。
apt-get upgrade
        これで修正されたパッケージをインストールします。

本メールのフッタ記載の設定を自ホストの設定に加えることにより、自動更新を
行うこともできます。


Debian GNU/Linux 3.0 愛称 woody
- ------------------------------------

  ソースアーカイブ:

    http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.12-3.woody.2.dsc
      Size/MD5 checksum:      579 6fa91023a699b539f8406572acabcd45
    http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.12-3.woody.2.diff.gz
      Size/MD5 checksum:     7914 5e876cff104633b6ded3930b3c16aaa6
    http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.12.orig.tar.gz
      Size/MD5 checksum:   481387 3329b745968e41f6f9e55a4d04a4964c
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2.dsc
      Size/MD5 checksum:      582 1ad71907a2745b4a4c66ba57399b7f12
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2.diff.gz
      Size/MD5 checksum:     8303 e72f6a3a38b4cace1971ca1c0b5bc20a
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1.orig.tar.gz
      Size/MD5 checksum:   493105 75a21cbfae566158a0ac6d9f39087c4d

  Alpha architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_alpha.deb
      Size/MD5 checksum:   276344 6ef427edc12b2b6f1c1cb9f70e9922f8
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_alpha.deb
      Size/MD5 checksum:   129748 c9c8197d16b91ad721d92c53de44d640
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_alpha.deb
      Size/MD5 checksum:   270238 4c6cf35a90dbbe8f7d781a6f0d7d5583
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_alpha.deb
      Size/MD5 checksum:   133154 220f5cd5020a19ed67b40208d5ece6c8

  ARM architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_arm.deb
      Size/MD5 checksum:   247430 69afbfe0aeb0e3c08a334a84b3e8cb77
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_arm.deb
      Size/MD5 checksum:   108224 e1707faafae8955ebeae6ef3cbf70c9a
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_arm.deb
      Size/MD5 checksum:   241200 98a7ce949f1c89161a002516042d9ebd
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_arm.deb
      Size/MD5 checksum:   111508 791721c2c467b7c0b6fe666b9299a2d4

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_i386.deb
      Size/MD5 checksum:   233094 f9889af54e78f47eebe1fa5a60ef33cb
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_i386.deb
      Size/MD5 checksum:   106636 c9369f9eb9ae747365cdccf40acc3c2d
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_i386.deb
      Size/MD5 checksum:   227308 4c452324c7308dcd268128fbe4b6439f
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_i386.deb
      Size/MD5 checksum:   109802 8694e5afdb6f0c0c9e13b9f24aac8f63

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_ia64.deb
      Size/MD5 checksum:   278606 4e66108c22e624861a905bc5e5b55626
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_ia64.deb
      Size/MD5 checksum:   146174 91852036ba0ebff0f3734b9333a07388
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_ia64.deb
      Size/MD5 checksum:   271448 ac0dcd865700840d0efd2c36df1a217a
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_ia64.deb
      Size/MD5 checksum:   150852 f95379f323df7cd53c0fee8c8dfdde3d

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_hppa.deb
      Size/MD5 checksum:   269384 48798cfcd2fce8157bb25e34b3b3bfc3
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_hppa.deb
      Size/MD5 checksum:   128266 85ff01a845db01cbdb5146c008f1a03d
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_hppa.deb
      Size/MD5 checksum:   262318 2dff123a3e2df906b66b02885048d412
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_hppa.deb
      Size/MD5 checksum:   132326 d3a294616ae7e5c710686d058641c7a8

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_m68k.deb
      Size/MD5 checksum:   226070 2f6a7ba8598056d782f590ea436caf36
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_m68k.deb
      Size/MD5 checksum:   103264 8f806c4dc79c2b3f83eff41dfe2c3ed8
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_m68k.deb
      Size/MD5 checksum:   220478 0a21d4692ce16aa98bfb1b1f9be699c8
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_m68k.deb
      Size/MD5 checksum:   106256 c36180e064f5a8375e51b7c021b84338

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_mips.deb
      Size/MD5 checksum:   246798 b026c3d8bbd5aebbd1c5165e38a40895
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_mips.deb
      Size/MD5 checksum:   108336 de2f358f510ab45d26ec566a16a653ce
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_mips.deb
      Size/MD5 checksum:   240378 f6f86bb6a308189f6681b9d3c78207e4
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_mips.deb
      Size/MD5 checksum:   111730 036b8290d2c590a52b40a4e4d297c97f

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_mipsel.deb
      Size/MD5 checksum:   246750 bce709abe60767e9148ee8bd2f31bf79
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_mipsel.deb
      Size/MD5 checksum:   108208 c858c8d26f79ed9fa86e0b4a273a0a62
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_mipsel.deb
      Size/MD5 checksum:   240266 f0e223ddf818ecb5cdaaed0d9b5be1d1
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_mipsel.deb
      Size/MD5 checksum:   111642 fee8803a26ef4fc3eb5a84f3d7f34929

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_powerpc.deb
      Size/MD5 checksum:   240358 e45598add532892d4f9e78689746e5ba
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_powerpc.deb
      Size/MD5 checksum:   109638 20caff5351a2c73b4c60351b962e7547
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_powerpc.deb
      Size/MD5 checksum:   234366 a4cf783b849f32d3e587b4f98ece26fd
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_powerpc.deb
      Size/MD5 checksum:   112708 0d6696004fc745980d816921e3ec440b

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_s390.deb
      Size/MD5 checksum:   232366 8c7e8d41b3d14d2e08f97a1fc8914c9c
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_s390.deb
      Size/MD5 checksum:   107324 43e46e6174fd4052b2ea103c6771ad4d
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_s390.deb
      Size/MD5 checksum:   226490 1a081fc6435c091bc824f898a848d2d7
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_s390.deb
      Size/MD5 checksum:   110792 880a6b36459adddbf80ed9ec19f741fd

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.2_sparc.deb
      Size/MD5 checksum:   237660 f1efbe23919ea8d37e3ebe57597a7bbd
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.2_sparc.deb
      Size/MD5 checksum:   109716 9db86c437af56a16f200977b68cb84b8
    http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.2_sparc.deb
      Size/MD5 checksum:   231820 ae29d63b9698612331035f894ef3755a
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.2_sparc.deb
      Size/MD5 checksum:   113114 3cadf1a05fb83ce6476423243ac16806

  これらのファイルは次の版の安定版リリース時そちらに移されます。

- ---------------------------------------------------------------------------------
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 <pkg>' and http://packages.debian.org/<pkg>

------>8------------>8------------>8------------>8------------>8
-- 
Seiji Kaneko                         skaneko@xxxxxxxxxxxx
---------------------------------------------------------

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