1. 修复的CVE信息
CVE-2021-3185
描述：在 v1.18.1 之前的 gst-plugins-bad 的 gstreamer h264 组件中发现了一个缺陷，在解析 h264 标头时，攻击者可能会导致堆栈被破坏、内存损坏和可能的代码执行。
2. 影响的操作系统及修复版本
银河麒麟高级服务器操作系统 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
银河麒麟高级服务器操作系统 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. 受影响的软件包
银河麒麟高级服务器操作系统 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
银河麒麟高级服务器操作系统 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. 修复方法
方法一：配置源进行升级安装
1.打开软件包源配置文件，根据仓库地址进行修改。
仓库源地址：
银河麒麟高级服务器操作系统 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/
银河麒麟高级服务器操作系统 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.配置完成后执行更新命令进行升级，命令如下：yum update Packagename
方法二：下载安装包进行升级安装
通过软件包地址下载软件包，使用软件包升级命令根据受影响的软件包列表进行升级安装,命令如下：yum install Packagename
5. 软件包下载地址
银河麒麟高级服务器操作系统 V10 SP1
gstreamer1-plugins-bad-free aarch64软件包下载地址:
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软件包下载地址:
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
银河麒麟高级服务器操作系统 V10 SP2
gstreamer1-plugins-bad-free aarch64软件包下载地址:
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软件包下载地址:
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：其他相关依赖包请到相同目录下载
