openSUSE セキュリティ更新プログラム: samba(openSUSE-2021-636)

medium Nessus プラグイン ID 149562

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概要

リモートのopenSUSEホストに、セキュリティ更新プログラムがありません。

説明

このsamba用更新プログラムでは、次の問題を修正します:

- CVE-2021-20277: ldb_handler_fold における領域外読み取りを修正しました (bsc#1183574)。

- CVE-2021-20254: sids_to_unixids() のバッファオーバーランを修正しました (bsc#1184677)。

- CVE-2020-27840: 不適切な DN による認証されていないリモートヒープ破損を修正しました (bsc#1183572)。

- memcache_trim がキャッシュサイズを削減しようとする際に、memcache で独自のポインターを解放しないようにします (bsc#1179156)。

- s3-libads: dns name を使用して、ldap セッションを開きます (bsc#1184310)。

- smbcacls の「--propagate-inheritance」機能を調整し、Upstream に合わせます (bsc#1178469)。

この更新はSUSEからインポートされました: SLE-15-SP2: 更新プロジェクトを更新します。

ソリューション

影響を受けるsambaパッケージを更新してください。

参考資料

https://bugzilla.opensuse.org/show_bug.cgi?id=1178469

https://bugzilla.opensuse.org/show_bug.cgi?id=1179156

https://bugzilla.opensuse.org/show_bug.cgi?id=1183572

https://bugzilla.opensuse.org/show_bug.cgi?id=1183574

https://bugzilla.opensuse.org/show_bug.cgi?id=1184310

https://bugzilla.opensuse.org/show_bug.cgi?id=1184677

プラグインの詳細

深刻度: Medium

ID: 149562

ファイル名: openSUSE-2021-636.nasl

バージョン: 1.3

タイプ: local

エージェント: unix

公開日: 2021/5/18

更新日: 2022/1/26

サポートされているセンサー: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

リスク情報

VPR

リスクファクター: Medium

スコア: 5.2

CVSS v2

リスクファクター: Medium

基本値: 4.9

現状値: 3.6

ベクトル: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:N

CVSS スコアのソース: CVE-2021-20254

CVSS v3

リスクファクター: Medium

基本値: 6.8

現状値: 5.9

ベクトル: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

現状ベクトル: CVSS:3.0/E:U/RL:O/RC:C

脆弱性情報

CPE: p-cpe:/a:novell:opensuse:ctdb, p-cpe:/a:novell:opensuse:ctdb-debuginfo, p-cpe:/a:novell:opensuse:ctdb-pcp-pmda, p-cpe:/a:novell:opensuse:ctdb-pcp-pmda-debuginfo, p-cpe:/a:novell:opensuse:ctdb-tests, p-cpe:/a:novell:opensuse:ctdb-tests-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc-binding0, p-cpe:/a:novell:opensuse:libdcerpc-binding0-32bit, p-cpe:/a:novell:opensuse:libdcerpc-binding0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-credentials0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-errors-devel, p-cpe:/a:novell:opensuse:libsamba-errors0, p-cpe:/a:novell:opensuse:libsamba-errors0-32bit, p-cpe:/a:novell:opensuse:libsamba-errors0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-errors0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-hostconfig-devel, p-cpe:/a:novell:opensuse:libsamba-hostconfig0, p-cpe:/a:novell:opensuse:libdcerpc-binding0-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc-devel, p-cpe:/a:novell:opensuse:libdcerpc-samr-devel, p-cpe:/a:novell:opensuse:libdcerpc-samr0, p-cpe:/a:novell:opensuse:libdcerpc-samr0-32bit, p-cpe:/a:novell:opensuse:libdcerpc-samr0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc-samr0-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc0, p-cpe:/a:novell:opensuse:libdcerpc0-32bit, p-cpe:/a:novell:opensuse:libdcerpc0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libdcerpc0-debuginfo, p-cpe:/a:novell:opensuse:libndr-devel, p-cpe:/a:novell:opensuse:libndr-krb5pac-devel, p-cpe:/a:novell:opensuse:libndr-krb5pac0, p-cpe:/a:novell:opensuse:libndr-krb5pac0-32bit, p-cpe:/a:novell:opensuse:libndr-krb5pac0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libndr-krb5pac0-debuginfo, p-cpe:/a:novell:opensuse:libndr-nbt-devel, p-cpe:/a:novell:opensuse:libndr-nbt0, p-cpe:/a:novell:opensuse:libndr-nbt0-32bit, p-cpe:/a:novell:opensuse:libndr-nbt0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libndr-nbt0-debuginfo, p-cpe:/a:novell:opensuse:libndr-standard-devel, p-cpe:/a:novell:opensuse:libndr-standard0, p-cpe:/a:novell:opensuse:libndr-standard0-32bit, p-cpe:/a:novell:opensuse:libndr-standard0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libndr-standard0-debuginfo, p-cpe:/a:novell:opensuse:libndr0, p-cpe:/a:novell:opensuse:libndr0-32bit, p-cpe:/a:novell:opensuse:libndr0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libndr0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-hostconfig0-32bit, p-cpe:/a:novell:opensuse:libsamba-hostconfig0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-hostconfig0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-passdb-devel, p-cpe:/a:novell:opensuse:libsamba-passdb0, p-cpe:/a:novell:opensuse:libsamba-passdb0-32bit, p-cpe:/a:novell:opensuse:libsamba-passdb0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-passdb0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-policy-devel, p-cpe:/a:novell:opensuse:libsamba-policy-python3-devel, p-cpe:/a:novell:opensuse:libsamba-policy0-python3, p-cpe:/a:novell:opensuse:libsamba-policy0-python3-32bit, p-cpe:/a:novell:opensuse:libsamba-policy0-python3-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-policy0-python3-debuginfo, p-cpe:/a:novell:opensuse:libsamba-util-devel, p-cpe:/a:novell:opensuse:libsamba-util0, p-cpe:/a:novell:opensuse:libsamba-util0-32bit, p-cpe:/a:novell:opensuse:libsamba-util0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamba-util0-debuginfo, p-cpe:/a:novell:opensuse:libsamdb-devel, p-cpe:/a:novell:opensuse:libsamdb0, p-cpe:/a:novell:opensuse:libsamdb0-32bit, p-cpe:/a:novell:opensuse:libsamdb0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsamdb0-debuginfo, p-cpe:/a:novell:opensuse:libsmbclient-devel, p-cpe:/a:novell:opensuse:libsmbclient0, p-cpe:/a:novell:opensuse:libsmbclient0-32bit, p-cpe:/a:novell:opensuse:libsmbclient0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsmbclient0-debuginfo, p-cpe:/a:novell:opensuse:libsmbconf-devel, p-cpe:/a:novell:opensuse:libsmbconf0, p-cpe:/a:novell:opensuse:libsmbconf0-32bit, p-cpe:/a:novell:opensuse:libsmbconf0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsmbconf0-debuginfo, p-cpe:/a:novell:opensuse:libsmbldap-devel, p-cpe:/a:novell:opensuse:libsmbldap2, p-cpe:/a:novell:opensuse:libsmbldap2-32bit, p-cpe:/a:novell:opensuse:libsmbldap2-32bit-debuginfo, p-cpe:/a:novell:opensuse:libsmbldap2-debuginfo, p-cpe:/a:novell:opensuse:libtevent-util-devel, p-cpe:/a:novell:opensuse:libnetapi-devel, p-cpe:/a:novell:opensuse:libnetapi-devel-32bit, p-cpe:/a:novell:opensuse:libnetapi0, p-cpe:/a:novell:opensuse:libnetapi0-32bit, p-cpe:/a:novell:opensuse:libnetapi0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libnetapi0-debuginfo, p-cpe:/a:novell:opensuse:libsamba-credentials-devel, p-cpe:/a:novell:opensuse:libsamba-credentials0, p-cpe:/a:novell:opensuse:libsamba-credentials0-32bit, p-cpe:/a:novell:opensuse:libsamba-credentials0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libtevent-util0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libtevent-util0-debuginfo, p-cpe:/a:novell:opensuse:libwbclient-devel, p-cpe:/a:novell:opensuse:libwbclient0, p-cpe:/a:novell:opensuse:libwbclient0-32bit, p-cpe:/a:novell:opensuse:libwbclient0-32bit-debuginfo, p-cpe:/a:novell:opensuse:libwbclient0-debuginfo, p-cpe:/a:novell:opensuse:samba, p-cpe:/a:novell:opensuse:samba-ad-dc, p-cpe:/a:novell:opensuse:samba-ad-dc-32bit, p-cpe:/a:novell:opensuse:samba-ad-dc-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-ad-dc-debuginfo, p-cpe:/a:novell:opensuse:samba-ceph, p-cpe:/a:novell:opensuse:samba-ceph-debuginfo, p-cpe:/a:novell:opensuse:samba-client, p-cpe:/a:novell:opensuse:samba-client-32bit, p-cpe:/a:novell:opensuse:samba-client-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-client-debuginfo, p-cpe:/a:novell:opensuse:samba-core-devel, p-cpe:/a:novell:opensuse:samba-debuginfo, p-cpe:/a:novell:opensuse:samba-debugsource, p-cpe:/a:novell:opensuse:samba-dsdb-modules, p-cpe:/a:novell:opensuse:samba-dsdb-modules-debuginfo, p-cpe:/a:novell:opensuse:samba-libs, p-cpe:/a:novell:opensuse:samba-libs-32bit, p-cpe:/a:novell:opensuse:samba-libs-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-libs-debuginfo, p-cpe:/a:novell:opensuse:samba-libs-python3, p-cpe:/a:novell:opensuse:samba-libs-python3-32bit, p-cpe:/a:novell:opensuse:samba-libs-python3-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-libs-python3-debuginfo, p-cpe:/a:novell:opensuse:samba-python3, p-cpe:/a:novell:opensuse:samba-python3-debuginfo, p-cpe:/a:novell:opensuse:samba-test, p-cpe:/a:novell:opensuse:samba-test-debuginfo, p-cpe:/a:novell:opensuse:samba-winbind, p-cpe:/a:novell:opensuse:samba-winbind-32bit, p-cpe:/a:novell:opensuse:samba-winbind-32bit-debuginfo, p-cpe:/a:novell:opensuse:samba-winbind-debuginfo, cpe:/o:novell:opensuse:15.2, p-cpe:/a:novell:opensuse:libtevent-util0, p-cpe:/a:novell:opensuse:libtevent-util0-32bit

必要な KB アイテム: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

エクスプロイトの容易さ: No known exploits are available

パッチ公開日: 2021/4/30

脆弱性公開日: 2021/5/5

参照情報

CVE: CVE-2020-27840, CVE-2021-20254, CVE-2021-20277