• 安全漏洞

    安全漏洞補丁公告

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    公告ID(KYSA-202104-1251

    公告ID:KYSA-202104-1251 公告摘要:samba安全漏洞 安全等級:Important 發布日期:2021年04月08日 影響CVE:CVE-2017-7494、CVE-2019-10218、CVE-2019-14907

    詳細介紹

    1. 修復的CVE

    ·CVE-2017-7494

    描述:在Samba中發現遠程代碼執行缺陷。通過身份驗證的惡意samba客戶端具有對samba共享的寫訪問權限,可以使用此漏洞以根用戶身份執行任意代碼。

    ·CVE-2019-10218

    描述:在客戶機提供的samba服務器路徑中發現了惡意漏洞。這將允許客戶端訪問SMB網絡路徑名之外的文件和文件夾。攻擊者可以利用此漏洞使用客戶端用戶的權限在當前工作目錄之外創建文件.

    ·CVE-2019-14907

    描述:所有samba版本4.9.18之前的4.9.x版本、4.10.12之前的4.10.x版本和4.11.5之前的4.11.x版本都存在一個問題,如果設置為";log level=3";(或更高版本),則在字符轉換失敗后,從客戶端獲取的字符串將被打印。在NTLMSSP身份驗證交換期間可以提供這樣的字符串。特別是在sambaaddc中,這可能會導致一個長期存在的進程(例如RPC服務器)終止。(在文件服務器的情況下,最有可能的目標smbd按每個客戶端的進程運行,因此崩潰是無害的)。

    2. 受影響的軟件包

    ·銀河麒麟高級服務器操作系統 V10

    aarch64架構:

    ctdb、ctdb-tests、libsmbclient、libsmbclient-devel、libwbclient、libwbclient-devel、samba、samba-client、samba-client-libs、samba-common、samba-common-libs、samba-common-tools、samba-dc、samba-dc-libs、samba-devel、samba-krb5-printing、samba-libs、samba-pidl、samba-python、samba-python-test、samba-test、samba-test-libs、samba-winbind、samba-winbind-clients、samba-winbind-krb5-locator、samba-winbind-modules

    x86_64架構:

    ctdb、ctdb-tests、libsmbclient、libsmbclient-devel、libwbclient、libwbclient-devel、samba、samba-client、samba-client-libs、samba-common、samba-common-libs、samba-common-tools、samba-dc、samba-dc-libs、samba-devel、samba-krb5-printing、samba-libs、samba-pidl、samba-python、samba-python-test、samba-test、samba-test-libs、samba-vfs-glusterfs、samba-winbind、samba-winbind-clients、samba-winbind-krb5-locator、samba-winbind-modules

    3. 軟件包修復版本

    ·銀河麒麟高級服務器操作系統 V10

    ctdb-4.10.16-5.el7

    ctdb-tests-4.10.16-5.el7

    libsmbclient-4.10.16-5.el7

    libsmbclient-devel-4.10.16-5.el7

    libwbclient-4.10.16-5.el7

    libwbclient-devel-4.10.16-5.el7

    samba-4.10.16-5.el7

    samba-client-4.10.16-5.el7

    samba-client-libs-4.10.16-5.el7

    samba-common-4.10.16-5.el7

    samba-common-libs-4.10.16-5.el7

    samba-common-tools-4.10.16-5.el7

    samba-dc-4.10.16-5.el7

    samba-dc-libs-4.10.16-5.el7

    samba-devel-4.10.16-5.el7

    samba-krb5-printing-4.10.16-5.el7

    samba-libs-4.10.16-5.el7

    samba-pidl-4.10.16-5.el7

    samba-python-4.10.16-5.el7

    samba-python-test-4.10.16-5.el7

    samba-test-4.10.16-5.el7

    samba-test-libs-4.10.16-5.el7

    samba-winbind-4.10.16-5.el7

    samba-winbind-clients-4.10.16-5.el7

    samba-winbind-krb5-locator-4.10.16-5.el7

    samba-winbind-modules-4.10.16-5.el7

    4. 修復方法

    方法一:配置源進行升級安裝

    1. 打開軟件包源配置文件,根據倉庫地址進行修改。

    倉庫源地址:

    銀河麒麟高級服務器操作系統 V10

    aarch64:https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/

    x86_64:https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/

    2. 配置完成后執行更新命令進行升級,命令如下:

    yum update Packagename

    方法二:下載安裝包進行升級安裝

    通過軟件包地址下載軟件包,使用軟件包升級命令根據受影響的軟件包列表進行升級安裝,命令如下:

    yum install Packagename

    3. 升級完成后是否需要重啟服務或操作系統:

    ·CVE-2017-7494:無需重啟操作系統與服務即可使漏洞修復生效。

    ·CVE-2019-10218:無需重啟操作系統與服務即可使漏洞修復生效。

    ·CVE-2019-14907:無需重啟操作系統與服務即可使漏洞修復生效。

    5. 軟件包下載地址

    ·銀河麒麟高級服務器操作系統 V10

     

    samba(aarch64)軟件包下載地址:

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/ctdb-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/ctdb-tests-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/libsmbclient-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/libsmbclient-devel-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/libwbclient-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/libwbclient-devel-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-client-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-client-libs-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-common-4.10.16-5.el7.noarch.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-common-libs-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-common-tools-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-dc-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-dc-libs-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-devel-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-krb5-printing-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-libs-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-pidl-4.10.16-5.el7.noarch.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-python-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-python-test-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-test-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-test-libs-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-winbind-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-winbind-clients-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-winbind-krb5-locator-4.10.16-5.el7.aarch64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/samba-winbind-modules-4.10.16-5.el7.aarch64.rpm

     

    samba(x86_64)軟件包下載地址:

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/ctdb-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/ctdb-tests-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libsmbclient-4.10.16-5.el7.i686.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libsmbclient-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libsmbclient-devel-4.10.16-5.el7.i686.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libsmbclient-devel-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libwbclient-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libwbclient-devel-4.10.16-5.el7.i686.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libwbclient-devel-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-client-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-client-libs-4.10.16-5.el7.i686.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-client-libs-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-common-4.10.16-5.el7.noarch.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-common-libs-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-common-tools-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-dc-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-dc-libs-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-devel-4.10.16-5.el7.i686.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-devel-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-krb5-printing-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-libs-4.10.16-5.el7.i686.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-libs-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-pidl-4.10.16-5.el7.noarch.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-python-4.10.16-5.el7.i686.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-python-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-python-test-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-test-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-test-libs-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-vfs-glusterfs-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-winbind-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-winbind-clients-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-winbind-krb5-locator-4.10.16-5.el7.x86_64.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-winbind-modules-4.10.16-5.el7.i686.rpm

    https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/samba-winbind-modules-4.10.16-5.el7.x86_64.rpm

     

    注:其他相關依賴包請到相同目錄下載

    6. 修復驗證

    使用軟件包查詢命令,查看相關軟件包版本是否與修復版本一致,如果版本一致,則說明修復成功。

    sudo rpm -qa | grep Packagename


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