Debian セキュリティ勧告

DSA-1388-3 dhcp -- バッファオーバフロー

報告日時:
2007-10-29
影響を受けるパッケージ:
dhcp
危険性:
あり
参考セキュリティデータベース:
Debian バグ追跡システム: バグ 446354.
Mitre の CVE 辞書: CVE-2007-5365.
詳細:

前回の DHCP サーバのバッファオーバフローに関する修正 DSA-1388-1 で用いた パッチでは問題の全てに対処できてはいませんでした。今回の更新は新しい版の パッチを使用した修正版を提供します。

参考までに前の勧告を再掲します。

IP アドレス割り当てを自動で行う DHCP サーバ dhcp が、ネットワークの応答 に対して適切にメモリを割り当てていないことが発見されました。この欠陥によ り、悪意を持った DHCP クライアントから DHCP サーバ上で任意のコードの実行 を許す可能性があります。

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 2.0pl5-19.5etch2 で修正されています。

不安定版ディストリビューション (sid) では、近く修正予定です。

旧安定版 (sarge) の更新については検討中です。

直ぐに dhcp 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 3.1 (sarge)

ソース:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2.dsc
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2.diff.gz
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_alpha.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_alpha.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_alpha.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_alpha.udeb
AMD64:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_amd64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_amd64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_amd64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_amd64.udeb
ARM:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_arm.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_arm.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_arm.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_arm.deb
HP Precision:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_hppa.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_hppa.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_hppa.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_hppa.udeb
Intel IA-32:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_i386.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_i386.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_i386.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_ia64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_ia64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_ia64.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_ia64.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_mips.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_mips.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_mips.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_mipsel.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_mipsel.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_mipsel.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_powerpc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_powerpc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_powerpc.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_s390.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_s390.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_s390.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch2_sparc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch2_sparc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch2_sparc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch2_sparc.udeb

Debian GNU/Linux 4.0 (etch)

ソース:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1.dsc
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1.diff.gz
Alpha:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_alpha.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_alpha.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_alpha.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_amd64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_amd64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_amd64.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_arm.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_arm.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_arm.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_arm.deb
HP Precision:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_hppa.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_hppa.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_hppa.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_i386.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_i386.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_i386.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_i386.udeb
Intel IA-64:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_ia64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_ia64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_ia64.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_ia64.udeb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_mips.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_mips.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_mips.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_mipsel.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_mipsel.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_mipsel.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_powerpc.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_powerpc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_powerpc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_s390.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_s390.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_s390.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client-udeb_2.0pl5-19.5etch1_sparc.udeb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-client_2.0pl5-19.5etch1_sparc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp_2.0pl5-19.5etch1_sparc.deb
http://security.debian.org/pool/updates/main/d/dhcp/dhcp-relay_2.0pl5-19.5etch1_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。