1. 修复的CVE信息
CVE-2021-39537
描述：ncurses是一个字符终端处理库，它能够提供一系列函数以供用户调用并生成基于文本的用户界面。
ncurses存在安全漏洞，该漏洞源于captoinfo.c中的Nc captoinfo有一个基于堆的缓冲区溢出。
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
ncurses-6.2-2.ky10
ncurses-base-6.2-2.ky10
ncurses-devel-6.2-2.ky10
ncurses-help-6.2-2.ky10
ncurses-libs-6.2-2.ky10
银河麒麟高级服务器操作系统 V10 SP2
ncurses-6.2-2.ky10
ncurses-base-6.2-2.ky10
ncurses-devel-6.2-2.ky10
ncurses-help-6.2-2.ky10
ncurses-libs-6.2-2.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:ncurses、ncurses-base、ncurses-devel、ncurses-help、ncurses-libs
mips64el:ncurses、ncurses-base、ncurses-devel、ncurses-help、ncurses-libs
x86_64:ncurses、ncurses-base、ncurses-devel、ncurses-help、ncurses-libs
银河麒麟高级服务器操作系统 V10 SP2
aarch64:ncurses、ncurses-base、ncurses-devel、ncurses-help、ncurses-libs
x86_64:ncurses、ncurses-base、ncurses-devel、ncurses-help、ncurses-libs
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/
mips64el:http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/
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
ncurses aarch64软件包下载地址:
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/ncurses-6.2-2.ky10.aarch64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/ncurses-base-6.2-2.ky10.noarch.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/ncurses-devel-6.2-2.ky10.aarch64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/ncurses-help-6.2-2.ky10.aarch64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/ncurses-libs-6.2-2.ky10.aarch64.rpm
ncurses mips64el软件包下载地址:
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/ncurses-6.2-2.ky10.mips64el.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/ncurses-base-6.2-2.ky10.noarch.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/ncurses-devel-6.2-2.ky10.mips64el.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/ncurses-help-6.2-2.ky10.mips64el.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/ncurses-libs-6.2-2.ky10.mips64el.rpm
ncurses 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/ncurses-6.2-2.ky10.x86_64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/ncurses-base-6.2-2.ky10.noarch.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/ncurses-devel-6.2-2.ky10.x86_64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/ncurses-help-6.2-2.ky10.x86_64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/ncurses-libs-6.2-2.ky10.x86_64.rpm
银河麒麟高级服务器操作系统 V10 SP2
ncurses aarch64软件包下载地址:
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/ncurses-6.2-2.ky10.aarch64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/ncurses-base-6.2-2.ky10.noarch.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/ncurses-devel-6.2-2.ky10.aarch64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/ncurses-help-6.2-2.ky10.aarch64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/ncurses-libs-6.2-2.ky10.aarch64.rpm
ncurses 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/ncurses-6.2-2.ky10.x86_64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/ncurses-base-6.2-2.ky10.noarch.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/ncurses-devel-6.2-2.ky10.x86_64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/ncurses-help-6.2-2.ky10.x86_64.rpm
http://update.cs2c.com.cn:8080/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/ncurses-libs-6.2-2.ky10.x86_64.rpm
注：其他相关依赖包请到相同目录下载
