Debian セキュリティ勧告

DSA-1291-1 samba -- 複数の脆弱性

報告日時:
2007-05-15
影響を受けるパッケージ:
samba
危険性:
あり
参考セキュリティデータベース:
Mitre の CVE 辞書: CVE-2007-2444, CVE-2007-2446, CVE-2007-2447.
詳細:

複数の問題が GNU/Linux 用の SMB/CIFS ファイルサーバ、印刷サーバ実装の Samba に確認されています。

  • CVE-2007-2444

    SID と Samba ローカルユーザおよびグループアカウントのリストで使用されている名前の変換時に、 smbd デーモン内部のセキュリティスタックに論理エラーが発生します。その結果、非 root ユーザではなく root ユーザの id への遷移が発生します。このユーザはそれから root ユーザとしての SMB/CIFS プロトコルの操作が一時的に可能になります。サーバへの root アクセス権限を獲得する追加手段の確立を攻撃者に許す機会となります。

  • CVE-2007-2446

    Samba の NDR 解析に様々なバグがあり、特別に細工した MS-RPC リクエストを送ることでユーザが定義したデータによりヒープ空間を上書きすることをユーザに許します。

  • CVE-2007-2447

    エスケープされていないユーザ入力のパラメータが /bin/sh への引数として渡されます。リモートコマンドの実行を許します。

安定版 (stable) ディストリビューション (etch) では、この問題はバージョン 3.0.24-6etch1 で修正されています。

テスト版 (testing) および不安定版 (unstable) ディストリビューション (それぞれ lenny および sid) では、この問題はバージョン 3.0.25-1 で修正されています。

直ちに samba パッケージをアップグレードすることを勧めます。

修正:

Debian GNU/Linux 4.0 (etch)

ソース:
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1.dsc
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24.orig.tar.gz
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1.diff.gz
アーキテクチャ非依存コンポーネント:
http://security.debian.org/pool/updates/main/s/samba/samba-doc_3.0.24-6etch1_all.deb
http://security.debian.org/pool/updates/main/s/samba/samba-doc-pdf_3.0.24-6etch1_all.deb
Alpha:
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_arm.deb
HPPA:
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_ia64.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_sparc.deb

一覧にあるファイルの MD5 チェックサムは勧告の原文にあります。