1. 修復(fù)的CVE

·CVE-2020-12863

描述：SANE Backends是一款用于調(diào)節(jié)軟件與數(shù)字成像設(shè)備之間通信的應(yīng)用程序編程接口（API）和通信協(xié)議。SANE Backends 1.0.30之前版本中的esci2_check_header函數(shù)存在緩沖區(qū)錯(cuò)誤漏洞。攻擊者可利用該漏洞獲取敏感信息。

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 SP2

aarch64架構(gòu):

sane-backends、sane-backends-daemon、sane-backends-devel、sane-backends-drivers-cameras、sane-backends-drivers-scanners、sane-backends-help、sane-backends-libs

x86_64架構(gòu):

sane-backends、sane-backends-daemon、sane-backends-devel、sane-backends-drivers-cameras、sane-backends-drivers-scanners、sane-backends-help、sane-backends-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 SP2

sane-backends-1.0.28-11.p01.ky10

sane-backends-daemon-1.0.28-11.p01.ky10

sane-backends-devel-1.0.28-11.p01.ky10

sane-backends-drivers-cameras-1.0.28-11.p01.ky10

sane-backends-drivers-scanners-1.0.28-11.p01.ky10

sane-backends-help-1.0.28-11.p01.ky10

sane-backends-libs-1.0.28-11.p01.ky10

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 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(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-2020-12863：無(wú)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(jí)服務(wù)器操作系統(tǒng) V10 SP2

sane-backends（aarch64）軟件包下載地址:

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/sane-backends-1.0.28-11.p01.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/sane-backends-daemon-1.0.28-11.p01.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/sane-backends-devel-1.0.28-11.p01.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/sane-backends-drivers-cameras-1.0.28-11.p01.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/sane-backends-drivers-scanners-1.0.28-11.p01.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/sane-backends-help-1.0.28-11.p01.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/sane-backends-libs-1.0.28-11.p01.ky10.aarch64.rpm

sane-backends（x86_64）軟件包下載地址:

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/sane-backends-1.0.28-11.p01.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/sane-backends-daemon-1.0.28-11.p01.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/sane-backends-devel-1.0.28-11.p01.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/sane-backends-drivers-cameras-1.0.28-11.p01.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/sane-backends-drivers-scanners-1.0.28-11.p01.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/sane-backends-help-1.0.28-11.p01.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/sane-backends-libs-1.0.28-11.p01.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