中危 grub2 缓冲区错误漏洞（CVE-2021-3695）
CVE编号
CVE-2021-3695利用情况
暂无补丁情况
官方补丁披露时间
2022-07-07漏洞描述
grub2是GNU社区的一款Linux系统引导程序。 grub2 存在缓冲区错误漏洞，攻击者通过精心制作的PNG灰度图像利用该漏洞导致堆中越界写入。解决建议
目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页：https://www.gnu.org/software/grub/
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1991685 | |
| https://security.gentoo.org/glsa/202209-12 | |
| https://security.netapp.com/advisory/ntap-20220930-0001/ |
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 | grub | * | From (including) 2.0 | Up to (excluding) 2.12 | ||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | codeready_linux_builder | - | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | developer_tools | 1.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openshift | 3.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openshift_container_platform | 4.10 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openshift_container_platform | 4.6 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openshift_container_platform | 4.9 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | grub2 | * | Up to (excluding) 2.06-14.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2022 | grub2 | * | Up to (excluding) 2.06-42.amzn2022.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2023 | grub2 | * | Up to (excluding) 2.06-61.amzn2023.0.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | grub2-efi-x64 | * | Up to (excluding) 2.02-123.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | grub2-common | * | Up to (excluding) 2.02-123.el8_6.8 | |||||
| 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~deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | grub2 | * | Up to (excluding) 2.06-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | grub2 | * | Up to (including) 2.02~beta3-5+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | grub2 | * | Up to (excluding) 2.06-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | grub2-common | * | Up to (excluding) 2.06-11.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_36 | grub2-common | * | Up to (excluding) 2.06-42.fc36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | grub2-common | * | Up to (excluding) 2.04-5.se.01.p08.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | shim-unsigned-ia32 | * | Up to (excluding) ia32-15.6-1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | grub2-common | * | Up to (excluding) 2.04-5.se.01.p08.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | grub2-powerpc-ieee1275-debug | * | Up to (excluding) 2.04-150300.22.20.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | grub2-powerpc-ieee1275-debug | * | Up to (excluding) 2.06-150400.11.5.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 2.02-0.87.0.21.el7_9.9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 2.02-123.0.4.el8_6.8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_9 | oraclelinux-release | * | Up to (excluding) 2.06-27.0.6.el9_0.7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | grub2-common | * | Up to (excluding) 2.02-123.el8_6.8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_9 | grub2-debuginfo | * | Up to (excluding) 2.06-27.el9_0.7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | grub2-x86_64-xen | * | Up to (excluding) 2.02-143.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | grub2 | * | Up to (excluding) 2.04.27-18 | |||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 无需权限
- 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 N/A
| CWE-ID | 漏洞类型 |
| CWE-787 | 跨界内存写 |
Exp相关链接
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