低危 grub2 数据伪造问题漏洞
CVE编号
CVE-2020-15705利用情况
暂无补丁情况
官方补丁披露时间
2020-07-30漏洞描述
grub2是GNU计划的一款Linux系统引导程序。 GRUB2 2.04及之前版本中存在数据伪造问题漏洞。该漏洞源于当没有shim直接启动时，程序未验证内核签名。攻击者可利用该漏洞绕过安全启动。解决建议
厂商已发布了漏洞修复程序，请及时关注更新：https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | gnu | grub2 | * | Up to (including) 2.04 | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | enterprise_linux_atomic_host | - | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openshift_container_platform | 4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | fwupdate-devel | * | Up to (excluding) 2.02-0.86.1.al7.alnx | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | grub | * | Up to (excluding) 2.06-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | grub | * | Up to (excluding) 2.06-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | grub | * | Up to (excluding) 2.06-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | fwupd | * | Up to (excluding) 1.1.4-7.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8.2 | fwupd | * | Up to (excluding) 1.1.4-7.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | grub2-i386-modules | * | Up to (excluding) 2.02-0.86.el7.centos | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | grub2-tools-efi | * | Up to (excluding) 2.02-87.el8_2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | grub2 | * | Up to (excluding) 2.06-3~deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | grub2 | * | Up to (excluding) 2.06-3~deb11u5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | grub2 | * | Up to (excluding) 2.06-13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | grub2 | * | Up to (excluding) 2.12~rc1-11 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | grub2 | * | Up to (excluding) 2.02-lp151.21.27.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | grub2 | * | Up to (excluding) 2.04-lp152.7.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 2.02-0.81.0.3.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 2.02-82.0.2.el8_2.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | shim-unsigned-ia32 | * | Up to (excluding) 2.02-0.86.el7_8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | grub2-tools-efi | * | Up to (excluding) 2.02-87.el8_2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | grub2-x86_64-xen | * | Up to (excluding) 2.02-12.39.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | grub2-unsigned | * | Up to (excluding) 1.66.26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | grub2 | * | Up to (excluding) 2.02~beta2-36ubuntu3.26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | grub2 | * | Up to (excluding) 1.93.18 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | grub2 | * | Up to (excluding) 2.02-2ubuntu8.16 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | grub2 | * | Up to (excluding) 2.04-1ubuntu26.1 | |||||
- 攻击路径 本地
- 攻击复杂度 困难
- 权限要求 管控权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 100
| CWE-ID | 漏洞类型 |
| CWE-347 | 密码学签名的验证不恰当 |
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