This update for tboot fixes the following issues: Security issue fixed :

  - CVE-2017-16837: Certain function pointers in Trusted     Boot (tboot) through 1.9.6 are notvalidated and can     cause arbitrary code execution, which allows local users     tooverwrite dynamic PCRs of Trusted Platform Module     (TPM) by h (bsc#1068390) Bug fixes :

  - Fixed failed trusted boot on some systems like Intel     Xeon 'Purley 8s' processors. The following error message     showed: 'TBOOT: wait-for-sipi loop timed-out'. Booting     continued but 'TXT measured launch' was wrongly reported     as FALSE. (bsc#1057555)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

このtbootの更新では、次の問題が修正されます：

キャッシュサイドチャネル攻撃の軽減：

  - CVE-2017-16837: 多数の変更不可の関数ポインターを検証するため、tbootfailedを修正しました。この欠陥により、攻撃者が信頼チェーンをバイパスして任意のコードを実行できる可能性があります（boo#1068390）。

  - SLE-15サポートのために、tbootパッケージをOpenSSL 1.1.0と互換にします（boo#1067229）。

バグ修正：

  - 新しい Upstream バージョンに更新します。詳細については、リリースノートを参照してください（1.9.6、1.9.5、FATE#321510、1.9.4、FATE#320665;
    1.8.3、FATE#318542）：

  -https://sourceforge.net/p/tboot/code/ci/default/tree/CHANGELOG

  - エラーを引き起こすいくつかのgcc7警告を修正します。
    （boo#1041264）

  - 不適切なpvopsカーネル構成マッチングを修正します（boo#981948） 

  - リセット/クラッシュを引き起こす可能性がある、スタックの過剰使用パターンを修正します（boo#967441）

  - Skylakeでの起動の問題を修正します（boo#964408）

  - 説明からつなぎ言葉を削除します。シェル変数に対し新しいマクロを使用します。

  - gzip -nを呼び出してビルドを完全に再現できるようにするため、reproducible.patchを追加します。

このtbootの更新では、次の問題が修正されます：修正されたセキュリティ問題：

  - CVE-2017-16837:1.9.6までのTrusted Boot（tboot）の特定の関数ポインターが検証されず、これが原因で任意のコード実行が引き起こされる可能性があります。これにより、ローカルのユーザーがTrusted Platform Module（TPM）の動的PCRをhによって上書きできる可能性があります。（bsc#1068390）バグ修正：

  - Intel Xeon「Purley 8s」プロセッサーなどの一部のシステムでの信頼できる起動の失敗を修正しました。エラーメッセージ「TBOOT: wait-for-sipi loop timed-out」が表示されていました。起動は続行されますが、「'TXT measured launch」が誤ってFALSEとして報告されました。（bsc#1057555）

注意：Tenable Network Securityは、前述の記述ブロックをSUSEセキュリティアドバイザリから直接抽出しています。Tenableでは、新たな問題を持ち込まずに、できる限り自動的に整理して書式設定するようにしています。

According to the version of the tboot package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - Certain function pointers in Trusted Boot (tboot)     through 1.9.6 are not validated and can cause arbitrary     code execution, which allows local users to overwrite     dynamic PCRs of Trusted Platform Module (TPM) by     hooking these function pointers.(CVE-2017-16837)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for tboot fixes the following issues :

Security issues fixed :

  - CVE-2017-16837: Fix tbootfailed to validate a number of     immutable function pointers, which could allow an     attacker to bypass the chain of trust and execute     arbitrary code (boo#1068390).

  - Make tboot package compatible with OpenSSL 1.1.0 for     SLE-15 support (boo#1067229).

Bug fixes :

  - Update to new upstream version. See release notes for     details (1.9.6; 1.9.5, FATE#321510; 1.9.4, FATE#320665;
    1.8.3, FATE#318542) :

  - https://sourceforge.net/p/tboot/code/ci/default/tree/CHANGELOG

  - Fix some gcc7 warnings that lead to errors.
    (boo#1041264)

  - Fix wrong pvops kernel config matching (boo#981948) 

  - Fix a excessive stack usage pattern that could lead to     resets/crashes (boo#967441)

  - fixes a boot issue on Skylake (boo#964408)

  - Trim filler words from description; use modern macros     over shell vars.

  - Add reproducible.patch to call gzip -n to make build     fully reproducible.

According to the version of the tboot package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - Certain function pointers in Trusted Boot (tboot)     through 1.9.6 are not validated and can cause arbitrary     code execution, which allows local users to overwrite     dynamic PCRs of Trusted Platform Module (TPM) by     hooking these function pointers.(CVE-2017-16837)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - tboot: Incorrect validation of certain function pointers (CVE-2017-16837)

  - Trusted Boot (tboot) before 1.8.2 has a 'loader.c' Security Bypass Vulnerability (CVE-2014-5118)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by a vulnerability that has been acknowledged by the vendor but will not be patched.

  - tboot: Incorrect validation of certain function pointers (CVE-2017-16837)

Note that Nessus has not tested for this issue but has instead relied on the package manager's report that the package is installed.

ID	名稱	產品	系列	已發布	已更新	嚴重性
104782	SUSE SLES12 Security Update : Recommended update for tboot (SUSE-SU-2017:3090-1)	Nessus	SuSE Local Security Checks	2017/11/27	2021/1/6	high
104771	openSUSEセキュリティ更新プログラム：tboot（openSUSE-2017-1308）	Nessus	SuSE Local Security Checks	2017/11/27	2021/1/19	high
104782	SUSE SLES12セキュリティ更新プログラム：推奨されるtboot の更新（SUSE-SU-2017:3090-1）	Nessus	SuSE Local Security Checks	2017/11/27	2021/1/6	high
149189	EulerOS 2.0 SP3 : tboot (EulerOS-SA-2021-1855)	Nessus	Huawei Local Security Checks	2021/4/30	2024/1/2	high
104771	openSUSE Security Update : tboot (openSUSE-2017-1308)	Nessus	SuSE Local Security Checks	2017/11/27	2021/1/19	high
146150	EulerOS 2.0 SP5 : tboot (EulerOS-SA-2021-1236)	Nessus	Huawei Local Security Checks	2021/2/4	2024/1/24	high
147611	EulerOS Virtualization 3.0.2.6 : tboot (EulerOS-SA-2021-1452)	Nessus	Huawei Local Security Checks	2021/3/10	2024/1/10	high
147122	EulerOS Virtualization 3.0.6.6 : tboot (EulerOS-SA-2021-1521)	Nessus	Huawei Local Security Checks	2021/3/4	2024/1/12	high
199370	RHEL 6 : tboot (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	2024/6/3	2024/6/3	high
199385	RHEL 7 : tboot (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	2024/6/3	2024/6/3	high

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