1.修復(fù)的CVE ·CVE-2021-20298 描述：在OpenEXR的B44Compressor中發(fā)現(xiàn)了一個(gè)缺陷。這個(gè)漏洞允許攻擊者提交一個(gè)精心制作的文件供OpenEXR處理，從而耗盡應(yīng)用程序可訪問(wèn)的所有內(nèi)存。此漏洞的最大威脅是系統(tǒng)可用性。 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): OpenEXR、OpenEXR-devel、OpenEXR-libs ·mips64el架構(gòu): OpenEXR、OpenEXR-devel、OpenEXR-libs ·x86_64架構(gòu): OpenEXR、OpenEXR-devel、OpenEXR-libs ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 ·aarch64架構(gòu): OpenEXR、OpenEXR-devel、OpenEXR-libs ·x86_64架構(gòu): OpenEXR、OpenEXR-devel、OpenEXR-libs ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP3 ·aarch64架構(gòu): OpenEXR、OpenEXR-devel、OpenEXR-libs ·x86_64架構(gòu): OpenEXR、OpenEXR-devel、OpenEXR-libs ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng)（Host版）V10 ·aarch64架構(gòu): OpenEXR、OpenEXR-devel、OpenEXR-libs ·x86_64架構(gòu): OpenEXR、OpenEXR-devel、OpenEXR-libs 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、mips64el、x86_64) OpenEXR-2.2.0-28.ky10或以上版本 OpenEXR-devel-2.2.0-28.ky10或以上版本 OpenEXR-libs-2.2.0-28.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) OpenEXR-2.2.0-28.ky10或以上版本 OpenEXR-devel-2.2.0-28.ky10或以上版本 OpenEXR-libs-2.2.0-28.ky10或以上版本 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP3 (aarch64、x86_64) OpenEXR-2.2.0-28.ky10或以上版本 OpenEXR-devel-2.2.0-28.ky10或以上版本 OpenEXR-libs-2.2.0-28.ky10或以上版本 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng)（Host版）V10 (aarch64、x86_64) OpenEXR-2.2.0-28.ky10或以上版本 OpenEXR-devel-2.2.0-28.ky10或以上版本 OpenEXR-libs-2.2.0-28.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(kāi)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/ mips64el:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/ 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/ 銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP3 aarch64:https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/base/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/base/x86_64/ 銀河麒麟高級(jí)服務(wù)器操作系統(tǒng)（Host版）V10 aarch64:https://update.cs2c.com.cn/NS/V10/HOST/SP3/os/adv/lic/base/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/HOST/SP3/os/adv/lic/base/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(guò)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-2021-20298:需要重啟 OpenEXR 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 OpenEXR(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/OpenEXR-2.2.0-28.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/OpenEXR-devel-2.2.0-28.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/OpenEXR-libs-2.2.0-28.ky10.aarch64.rpm OpenEXR(mips64el)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/OpenEXR-2.2.0-28.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/OpenEXR-devel-2.2.0-28.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/OpenEXR-libs-2.2.0-28.ky10.mips64el.rpm OpenEXR(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/OpenEXR-2.2.0-28.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/OpenEXR-devel-2.2.0-28.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/OpenEXR-libs-2.2.0-28.ky10.x86_64.rpm ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 OpenEXR(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/OpenEXR-2.2.0-28.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/OpenEXR-devel-2.2.0-28.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/OpenEXR-libs-2.2.0-28.ky10.aarch64.rpm OpenEXR(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/OpenEXR-2.2.0-28.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/OpenEXR-devel-2.2.0-28.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/OpenEXR-libs-2.2.0-28.ky10.x86_64.rpm ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP3 OpenEXR(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/base/aarch64/Packages/OpenEXR-2.2.0-28.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/base/aarch64/Packages/OpenEXR-devel-2.2.0-28.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/base/aarch64/Packages/OpenEXR-libs-2.2.0-28.ky10.aarch64.rpm OpenEXR(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/base/x86_64/Packages/OpenEXR-2.2.0-28.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/base/x86_64/Packages/OpenEXR-devel-2.2.0-28.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/base/x86_64/Packages/OpenEXR-libs-2.2.0-28.ky10.x86_64.rpm ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng)（Host版）V10 OpenEXR(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/HOST/SP3/os/adv/lic/base/aarch64/Packages/OpenEXR-2.2.0-28.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/HOST/SP3/os/adv/lic/base/aarch64/Packages/OpenEXR-devel-2.2.0-28.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/HOST/SP3/os/adv/lic/base/aarch64/Packages/OpenEXR-libs-2.2.0-28.ky10.aarch64.rpm OpenEXR(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/HOST/SP3/os/adv/lic/base/x86_64/Packages/OpenEXR-2.2.0-28.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/HOST/SP3/os/adv/lic/base/x86_64/Packages/OpenEXR-devel-2.2.0-28.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/HOST/SP3/os/adv/lic/base/x86_64/Packages/OpenEXR-libs-2.2.0-28.ky10.x86_64.rpm 注：其他相關(guān)依賴(lài)包請(qǐng)到相同目錄下載 6.修復(fù)驗(yàn)證 使用軟件包查詢(xún)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(shuō)明修復(fù)成功。 sudo rpm -qa | grep Packagename