公告ID(KYSA-202211-1058)
公告ID:KYSA-202211-1058
公告摘要:libdwarf安全漏洞
等级:Moderate
发布日期:2022-11-29
详细介绍
1.修复的CVE
·CVE-2020-27545
描述:libdwarf是一款用于读写DWARF2标准化调试数据格式的库和命令行工具。libdwarf 存在安全漏洞,目前尚无此漏洞的相关信息,请随时关注CNNVD或厂商公告。
·CVE-2020-28163
描述:libdwarf是一款用于读写DWARF2标准化调试数据格式的库和命令行工具。libdwarf 存在安全漏洞,该漏洞源于行表头损坏导致空指针取消引用。
2.受影响的软件包
·银河麒麟高级服务器操作系统 V10 SP1
·aarch64架构:
libdwarf、libdwarf-devel、libdwarf-help、libdwarf-tools
·mips64el架构:
libdwarf、libdwarf-devel、libdwarf-help、libdwarf-tools
·x86_64架构:
libdwarf、libdwarf-devel、libdwarf-help、libdwarf-tools
·银河麒麟高级服务器操作系统 V10 SP2
·aarch64架构:
libdwarf、libdwarf-devel、libdwarf-help、libdwarf-tools
·x86_64架构:
libdwarf、libdwarf-devel、libdwarf-help、libdwarf-tools
3.软件包修复版本
·银河麒麟高级服务器操作系统 V10 SP1 (aarch64、mips64el、x86_64)
libdwarf-20210528-1.ky10或以上版本
libdwarf-devel-20210528-1.ky10或以上版本
libdwarf-help-20210528-1.ky10或以上版本
libdwarf-tools-20210528-1.ky10或以上版本
·银河麒麟高级服务器操作系统 V10 SP2 (aarch64、x86_64)
libdwarf-20210528-1.ky10或以上版本
libdwarf-devel-20210528-1.ky10或以上版本
libdwarf-help-20210528-1.ky10或以上版本
libdwarf-tools-20210528-1.ky10或以上版本
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:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/
mips64el:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/
x86_64:https://update.cs2c.com.cn/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: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
3.升级完成后是否需要重启服务或操作系统:
CVE-2020-27545:无需重启操作系统与服务即可使漏洞修复生效。
CVE-2020-28163:无需重启操作系统与服务即可使漏洞修复生效。
5.软件包下载地址
·银河麒麟高级服务器操作系统 V10 SP1
libdwarf(aarch64)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/libdwarf-20210528-1.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/libdwarf-devel-20210528-1.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/libdwarf-help-20210528-1.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/libdwarf-tools-20210528-1.ky10.aarch64.rpm
libdwarf(mips64el)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/libdwarf-20210528-1.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/libdwarf-devel-20210528-1.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/libdwarf-help-20210528-1.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/libdwarf-tools-20210528-1.ky10.mips64el.rpm
libdwarf(x86_64)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/libdwarf-20210528-1.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/libdwarf-devel-20210528-1.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/libdwarf-help-20210528-1.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/libdwarf-tools-20210528-1.ky10.x86_64.rpm
·银河麒麟高级服务器操作系统 V10 SP2
libdwarf(aarch64)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/libdwarf-20210528-1.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/libdwarf-devel-20210528-1.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/libdwarf-help-20210528-1.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/libdwarf-tools-20210528-1.ky10.aarch64.rpm
libdwarf(x86_64)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/libdwarf-20210528-1.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/libdwarf-devel-20210528-1.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/libdwarf-help-20210528-1.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/libdwarf-tools-20210528-1.ky10.x86_64.rpm
注:其他相关依赖包请到相同目录下载
6.修复验证
使用软件包查询命令,查看相关软件包版本是否与修复版本一致,如果版本一致,则说明修复成功。
sudo rpm -qa | grep Packagename