1.修復(fù)的CVE ·CVE-2021-20266 描述：在RPM庫(kù)lib/header.c中的hdrblobInit()中發(fā)現(xiàn)了一個(gè)缺陷。這個(gè)漏洞允許可以修改rpmdb的攻擊者進(jìn)行越界讀取。此漏洞的最大威脅是系統(tǒng)可用性。 ·CVE-2021-20271 描述：在讀取包文件時(shí)，RPM的簽名檢查功能發(fā)現(xiàn)了一個(gè)缺陷。這個(gè)漏洞允許攻擊者說服受害者安裝一個(gè)看似可驗(yàn)證的包，該包的簽名頭被修改，從而導(dǎo)致RPM數(shù)據(jù)庫(kù)損壞并執(zhí)行代碼。此漏洞的最大威脅是數(shù)據(jù)完整性、機(jī)密性和系統(tǒng)可用性。 ·CVE-2021-35938 描述：rpm是一個(gè)強(qiáng)大的命令行驅(qū)動(dòng)的軟件包管理工具，用來安裝、卸載、校驗(yàn)、查詢和更新 Linux 系統(tǒng)上的軟件包。rpm 存在安全漏洞，該漏洞源于當(dāng)rpm在安裝文件后設(shè)置所需的權(quán)限和憑據(jù)時(shí)，就會(huì)出現(xiàn)符號(hào)鏈接問題。攻擊者可利用該漏洞威脅數(shù)據(jù)機(jī)密性和完整性以及系統(tǒng)可用性。 ·CVE-2021-35939 描述：rpm是一個(gè)強(qiáng)大的命令行驅(qū)動(dòng)的軟件包管理工具，用來安裝、卸載、校驗(yàn)、查詢和更新 Linux 系統(tǒng)上的軟件包。rpm存在安全漏洞，該漏洞源于沒有對(duì)中間目錄執(zhí)行不安全符號(hào)鏈接檢查。攻擊者利用該漏洞可能會(huì)獲取到root權(quán)限。 2.受影響的軟件包 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP1 ·aarch64架構(gòu): python2-rpm、python3-rpm、rpm、rpm-build、rpm-devel、rpm-help、rpm-libs、rpm-plugin-systemd-inhibit ·x86_64架構(gòu): python2-rpm、python3-rpm、rpm、rpm-build、rpm-devel、rpm-help、rpm-libs、rpm-plugin-systemd-inhibit ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 ·aarch64架構(gòu): python2-rpm、python3-rpm、rpm、rpm-build、rpm-devel、rpm-help、rpm-libs、rpm-plugin-systemd-inhibit ·x86_64架構(gòu): python2-rpm、python3-rpm、rpm、rpm-build、rpm-devel、rpm-help、rpm-libs、rpm-plugin-systemd-inhibit 3.軟件包修復(fù)版本 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP1 (aarch64、x86_64) python2-rpm-4.15.1-28.p02.ky10或以上版本 python3-rpm-4.15.1-28.p02.ky10或以上版本 rpm-4.15.1-28.p02.ky10或以上版本 rpm-build-4.15.1-28.p02.ky10或以上版本 rpm-devel-4.15.1-28.p02.ky10或以上版本 rpm-help-4.15.1-28.p02.ky10或以上版本 rpm-libs-4.15.1-28.p02.ky10或以上版本 rpm-plugin-systemd-inhibit-4.15.1-28.p02.ky10或以上版本 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 (aarch64、x86_64) python2-rpm-4.15.1-28.p02.ky10或以上版本 python3-rpm-4.15.1-28.p02.ky10或以上版本 rpm-4.15.1-28.p02.ky10或以上版本 rpm-build-4.15.1-28.p02.ky10或以上版本 rpm-devel-4.15.1-28.p02.ky10或以上版本 rpm-help-4.15.1-28.p02.ky10或以上版本 rpm-libs-4.15.1-28.p02.ky10或以上版本 rpm-plugin-systemd-inhibit-4.15.1-28.p02.ky10或以上版本 4.修復(fù)方法 方法一：配置源進(jìn)行升級(jí)安裝 1.打開軟件包源配置文件，根據(jù)倉(cāng)庫(kù)地址進(jìn)行修改。 倉(cāng)庫(kù)源地址： 銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP1 aarch64:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/ 銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 aarch64:https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/ 2.配置完成后執(zhí)行更新命令進(jìn)行升級(jí)，命令如下： yum update Packagename 方法二：下載安裝包進(jìn)行升級(jí)安裝 通過軟件包地址下載軟件包，使用軟件包升級(jí)命令根據(jù)受影響的軟件包 列表進(jìn)行升級(jí)安裝, 命令如下： yum install Packagename 3.升級(jí)完成后是否需要重啟服務(wù)或操作系統(tǒng)： CVE-2021-20266:無需重啟操作系統(tǒng)與服務(wù)即可使漏洞修復(fù)生效。 CVE-2021-20271:無需重啟操作系統(tǒng)與服務(wù)即可使漏洞修復(fù)生效。 CVE-2021-35938:需要重啟 rpm 以使漏洞修復(fù)生效。 CVE-2021-35939:需要重啟 rpm 以使漏洞修復(fù)生效。 5.軟件包下載地址 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP1 rpm(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/python2-rpm-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/python3-rpm-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/rpm-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/rpm-build-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/rpm-devel-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/rpm-help-4.15.1-28.p02.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/rpm-libs-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/rpm-plugin-systemd-inhibit-4.15.1-28.p02.ky10.aarch64.rpm rpm(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/python2-rpm-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/python3-rpm-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/rpm-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/rpm-build-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/rpm-devel-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/rpm-help-4.15.1-28.p02.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/rpm-libs-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/rpm-plugin-systemd-inhibit-4.15.1-28.p02.ky10.x86_64.rpm ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 rpm(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/python2-rpm-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/python3-rpm-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/rpm-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/rpm-build-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/rpm-devel-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/rpm-help-4.15.1-28.p02.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/rpm-libs-4.15.1-28.p02.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/rpm-plugin-systemd-inhibit-4.15.1-28.p02.ky10.aarch64.rpm rpm(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/python2-rpm-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/python3-rpm-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/rpm-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/rpm-build-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/rpm-devel-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/rpm-help-4.15.1-28.p02.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/rpm-libs-4.15.1-28.p02.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/rpm-plugin-systemd-inhibit-4.15.1-28.p02.ky10.x86_64.rpm 注：其他相關(guān)依賴包請(qǐng)到相同目錄下載 6.修復(fù)驗(yàn)證 使用軟件包查詢命令，查看相關(guān)軟件包版本是否與修復(fù)版本一致，如果版本一致，則說明修復(fù)成功。 sudo rpm -qa | grep Packagename