Debian セキュリティ勧告

DSA-1680-1 clamav -- バッファオーバフロー, スタック消費

報告日時:

2008-12-04

影響を受けるパッケージ:

clamav

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 505134, バグ 507624.
Mitre の CVE 辞書: CVE-2008-5050, CVE-2008-5314.

詳細:

Moritz Jodeit さんにより、アンチウィルスソリューション ClamAV の VBA プロジェクトファイル処理に境界を 1 誤るバグがあり、ヒープベースのバッファオーバフローに繋がり、更に任意のコードの実行の可能性があることが発見されました (CVE-2008-5050)。

Ilja van Sprundel さんにより、ClamAV の JPEG ファイル処理に、JPEG サムネール処理で再帰深さを制限しないため、サービス拒否攻撃が起きる場合があることが発見されました (CVE-2008-5314)。

安定版 (stable) ディストリビューション (etch) では、これらの問題はバージョン 0.90.1dfsg-4etch16 で修正されています。

不安定版 (unstable) ディストリビューション (sid) では、これらの問題はバージョン 0.94.dfsg.2-1 で修正されています。

テスト版 (lenny) では近く修正予定です。

直ぐに clamav 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/c/clamav/clamav_0.90.1dfsg.orig.tar.gz; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16.dsc; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16.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/c/clamav/clamav-base_0.90.1dfsg-4etch16_all.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-docs_0.90.1dfsg-4etch16_all.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-testfiles_0.90.1dfsg-4etch16_all.deb
Alpha:: http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_alpha.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_alpha.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_alpha.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_alpha.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_alpha.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_alpha.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_alpha.deb
AMD64:: http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_amd64.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_amd64.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_amd64.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_amd64.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_amd64.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_amd64.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_amd64.deb
HP Precision:: http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_hppa.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_hppa.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_hppa.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_hppa.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_hppa.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_hppa.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_hppa.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_i386.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_i386.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_i386.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_i386.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_i386.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_i386.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_ia64.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_ia64.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_ia64.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_ia64.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_ia64.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_ia64.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_ia64.deb
Big-endian MIPS:: http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_mips.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_mips.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_mips.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_mips.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_mips.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_mips.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_mips.deb
PowerPC:: http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_powerpc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_powerpc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_powerpc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_powerpc.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_powerpc.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_powerpc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_s390.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_s390.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_s390.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_s390.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_s390.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_s390.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-4etch16_sparc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-4etch16_sparc.deb; http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-4etch16_sparc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-4etch16_sparc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-4etch16_sparc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-4etch16_sparc.deb; http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-4etch16_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。