中危 gnu glibc 整数溢出或超界折返
CVE编号
CVE-2021-35942利用情况
暂无补丁情况
官方补丁披露时间
2021-07-23漏洞描述
The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) when called with an untrusted, crafted pattern, potentially resulting in a denial of service or disclosure of information. This occurs because atoi was used but strtoul should have been used to ensure correct calculations.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。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 | glibc | * | Up to (excluding) 2.32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | glibc | * | Up to (excluding) 2.26-53.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | glibc-langpack-sw | * | Up to (excluding) 2.28-164.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | glibc | * | Up to (excluding) 2.28-10+deb10u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | glibc | * | Up to (excluding) 2.31-13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | glibc | * | Up to (excluding) 2.31-13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | glibc | * | Up to (including) 2.24-11+deb9u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | glibc | * | Up to (excluding) 2.31-13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | glibc-langpack-quz | * | Up to (excluding) 2.32-10.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | glibc-langpack-quz | * | Up to (excluding) 2.33-20.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | glibc | * | Up to (excluding) 2.28-36.p06.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | glibc | * | Up to (excluding) 2.28-49.p07.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | glibc | * | Up to (excluding) 2.28-36.p06.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | glibc | * | Up to (excluding) 2.28-49.p07.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | glibc-utils | * | Up to (excluding) 2.26-lp152.26.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | glibc-utils | * | Up to (excluding) 2.31-9.3.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | glibc-langpack-da | * | Up to (excluding) 2.28-164.0.1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | glibc-langpack-sw | * | Up to (excluding) 2.28-164.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | glibc-devel | * | Up to (excluding) 2.22-114.12.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | glibc | * | Up to (excluding) 2.27-3ubuntu1.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | glibc | * | Up to (excluding) 2.31-0ubuntu9.7 | |||||
- 攻击路径 本地
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 N/A
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 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-190 | 整数溢出或超界折返 |
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