1. 修復的CVE信息

• CVE-2021-3185

  描述：在 v1.18.1 之前的 gst-plugins-bad 的 gstreamer h264 組件中發現了一個缺陷，在解析 h264 標頭時，攻擊者可能會導致堆棧被破壞、內存損壞和可能的代碼執行。

2. 影響的操作系統及修復版本

• 銀河麒麟高級服務器操作系統 V10 SP1

gstreamer1-plugins-bad-free-1.16.2-2.ky10

gstreamer1-plugins-bad-free-debugsource-1.16.2-2.ky10

gstreamer1-plugins-bad-free-devel-1.16.2-2.ky10

• 銀河麒麟高級服務器操作系統 V10 SP2

gstreamer1-plugins-bad-free-1.16.2-2.ky10

gstreamer1-plugins-bad-free-debugsource-1.16.2-2.ky10

gstreamer1-plugins-bad-free-devel-1.16.2-2.ky10

3. 受影響的軟件包

• 銀河麒麟高級服務器操作系統 V10 SP1

aarch64:gstreamer1-plugins-bad-free、gstreamer1-plugins-bad-free-debugsource、gstreamer1-plugins-bad-free-devel

x86_64:gstreamer1-plugins-bad-free、gstreamer1-plugins-bad-free-debugsource、gstreamer1-plugins-bad-free-devel

• 銀河麒麟高級服務器操作系統 V10 SP2

aarch64:gstreamer1-plugins-bad-free、gstreamer1-plugins-bad-free-debugsource、gstreamer1-plugins-bad-free-devel

x86_64:gstreamer1-plugins-bad-free、gstreamer1-plugins-bad-free-debugsource、gstreamer1-plugins-bad-free-devel

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 SP1

aarch64:http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/

x86_64:http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/

銀河麒麟高級服務器操作系統 V10 SP2

aarch64:http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/

x86_64:http://update.cs2c.com.cn:8080/NS/V10/V10SP2/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

5. 軟件包下載地址

• 銀河麒麟高級服務器操作系統 V10 SP1

  gstreamer1-plugins-bad-free aarch64軟件包下載地址:

http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-bad-free-1.16.2-2.ky10.aarch64.rpm

http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-bad-free-debugsource-1.16.2-2.ky10.aarch64.rpm

http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-bad-free-devel-1.16.2-2.ky10.aarch64.rpm

 gstreamer1-plugins-bad-free x86_64軟件包下載地址:

http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-bad-free-1.16.2-2.ky10.x86_64.rpm

http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-bad-free-debugsource-1.16.2-2.ky10.x86_64.rpm

http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-bad-free-devel-1.16.2-2.ky10.x86_64.rpm

• 銀河麒麟高級服務器操作系統 V10 SP2

 gstreamer1-plugins-bad-free aarch64軟件包下載地址:

http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-bad-free-1.16.2-2.ky10.aarch64.rpm

http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-bad-free-debugsource-1.16.2-2.ky10.aarch64.rpm

http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/gstreamer1-plugins-bad-free-devel-1.16.2-2.ky10.aarch64.rpm

 gstreamer1-plugins-bad-free x86_64軟件包下載地址:

http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-bad-free-1.16.2-2.ky10.x86_64.rpm

http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-bad-free-debugsource-1.16.2-2.ky10.x86_64.rpm

http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/gstreamer1-plugins-bad-free-devel-1.16.2-2.ky10.x86_64.rpm

注：其他相關依賴包請到相同目錄下載