1.修復(fù)的CVE
·CVE-2021-25220
描述:ISC BIND是美國ISC公司的一套實現(xiàn)了DNS協(xié)議的開源軟件。ISC BIND 存在安全漏洞,該漏洞源于已經(jīng)收緊了接受記錄到緩存中的規(guī)則,以防止如果轉(zhuǎn)發(fā)器在配置的范圍之外發(fā)送記錄可能會中毒。
2.受影響的軟件包
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP2
aarch64架構(gòu):
bind、bind-chroot、bind-devel、bind-export-devel、bind-export-libs、bind-libs、bind-libs-lite、bind-pkcs11、bind-pkcs11-devel、bind-utils、python3-bind
x86_64架構(gòu):
bind、bind-chroot、bind-devel、bind-export-devel、bind-export-libs、bind-libs、bind-libs-lite、bind-pkcs11、bind-pkcs11-devel、bind-utils、python3-bind
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP1
mips64el架構(gòu):
bind、bind-chroot、bind-devel、bind-export-devel、bind-export-libs、bind-libs、bind-libs-lite、bind-pkcs11、bind-pkcs11-devel、bind-utils、python3-bind
3.軟件包修復(fù)版本
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP2
bind-9.11.21-10.ky10
bind-chroot-9.11.21-10.ky10
bind-devel-9.11.21-10.ky10
bind-export-devel-9.11.21-10.ky10
bind-export-libs-9.11.21-10.ky10
bind-libs-9.11.21-10.ky10
bind-libs-lite-9.11.21-10.ky10
bind-pkcs11-9.11.21-10.ky10
bind-pkcs11-devel-9.11.21-10.ky10
bind-utils-9.11.21-10.ky10
python3-bind-9.11.21-10.ky10
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP1
bind-9.11.21-10.ky10
bind-chroot-9.11.21-10.ky10
bind-devel-9.11.21-10.ky10
bind-export-devel-9.11.21-10.ky10
bind-export-libs-9.11.21-10.ky10
bind-libs-9.11.21-10.ky10
bind-libs-lite-9.11.21-10.ky10
bind-pkcs11-9.11.21-10.ky10
bind-pkcs11-devel-9.11.21-10.ky10
bind-utils-9.11.21-10.ky10
python3-bind-9.11.21-10.ky10
4.修復(fù)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(jù)倉庫地址進行修改。
倉庫源地址:
銀河麒麟高級服務(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/
銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP1
mips64el:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/
2.配置完成后執(zhí)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(jù)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(wù)或操作系統(tǒng):
·CVE-2021-25220:無需重啟操作系統(tǒng)與服務(wù)即可使漏洞修復(fù)生效。
5.軟件包下載地址
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP2
bind(aarch64)軟件包下載地址:
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-chroot-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-devel-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-export-devel-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-export-libs-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-libs-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-libs-lite-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-pkcs11-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-pkcs11-devel-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-utils-9.11.21-10.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/python3-bind-9.11.21-10.ky10.noarch.rpm
bind(x86_64)軟件包下載地址:
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-chroot-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-devel-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-export-devel-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-export-libs-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-libs-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-libs-lite-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-pkcs11-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-pkcs11-devel-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-utils-9.11.21-10.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/python3-bind-9.11.21-10.ky10.noarch.rpm
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP1
bind(mips64el)軟件包下載地址:
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-chroot-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-devel-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-export-devel-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-export-libs-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-libs-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-libs-lite-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-pkcs11-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-pkcs11-devel-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/bind-utils-9.11.21-10.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/python3-bind-9.11.21-10.ky10.noarch.rpm
注:其他相關(guān)依賴包請到相同目錄下載
6.修復(fù)驗證
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