公告ID（KYSA-202211-1058）
公告ID：KYSA-202211-1058
公告摘要：libdwarf安全漏洞
等級：中等
發(fā)布日期：2022-11-29
詳細介紹
1.修復的漏洞
·CVE-2020-27545
描述：libdwarf是一款用于讀寫DWARF2標準化調(diào)試數(shù)據(jù)格式的庫和命令行工具。libdwarf 存在安全漏洞，
2.受影響的軟件包
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP1
·aarch64架構(gòu):
libdwarf-tools、libdwarf、libdwarf-help、libdwarf-devel
·mips64el架構(gòu):
libdwarf-tools、libdwarf、libdwarf-help、libdwarf-devel
·x86_64架構(gòu):
libdwarf-help、libdwarf-tools、libdwarf、libdwarf-devel
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP2
·aarch64架構(gòu):
libdwarf-tools、libdwarf、libdwarf-help、libdwarf-devel
·x86_64架構(gòu):
libdwarf-help、libdwarf-tools、libdwarf、libdwarf-devel
3.軟件包修復版本
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP1 (aarch64、mips64el、x86_64)
libdwarf-help-20210528-1.ky10或以上版本
libdwarf-tools-20210528-1.ky10或以上版本
libdwarf-devel-20210528-1.ky10或以上版本
libdwarf-20210528-1.ky10或以上版本
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP2 (aarch64、x86_64)
libdwarf-help-20210528-1.ky10或以上版本
libdwarf-tools-20210528-1.ky10或以上版本
libdwarf-devel-20210528-1.ky10或以上版本
libdwarf-20210528-1.ky10或以上版本
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(jù)倉庫地址進行修改。
倉庫源地址：
銀河麒麟高級服務(wù)器操作系統(tǒng) 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/
銀河麒麟高級服務(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(jù)受影響的軟件包
列表進行升級安裝, 命令如下：
yum install Packagename
3.升級完成后是否需要重啟服務(wù)或操作系統(tǒng)：
CVE-2020-27545:無需重啟操作系統(tǒng)與服務(wù)即可使漏洞修復生效。
5.軟件包下載地址
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP1
libdwarf(aarch64)軟件包下載地址:
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-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-tools-20210528-1.ky10.aarch64.rpm
libdwarf(mips64el)軟件包下載地址:
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-devel-20210528-1.ky10.mips64el.rpm
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-tools-20210528-1.ky10.mips64el.rpm
libdwarf(x86_64)軟件包下載地址:
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-20210528-1.ky10.x86_64.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
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/libdwarf-help-20210528-1.ky10.noarch.rpm
·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 SP2
libdwarf(aarch64)軟件包下載地址:
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/libdwarf-tools-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-devel-20210528-1.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/libdwarf-20210528-1.ky10.aarch64.rpm
libdwarf(x86_64)軟件包下載地址:
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
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/libdwarf-20210528-1.ky10.x86_64.rpm
注：其他相關(guān)依賴包請到相同目錄下載
6.修復驗證
使用軟件包查詢命令，查看相關(guān)軟件包版本是否與修復版本一致，如果版本一致，則說明修復成功。
sudo rpm -qa | grep Packagename
