低危 gnu binutils 内存缓冲区边界内操作的限制不恰当
CVE编号
CVE-2021-20294利用情况
EXP 已公开补丁情况
官方补丁披露时间
2021-04-30漏洞描述
A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.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 | binutils | * | Up to (excluding) 2.35.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | gcc10-binutils | * | Up to (excluding) 2.35-21.amzn2.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | binutils | * | Up to (including) 2.31.1-16 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | binutils | * | Up to (excluding) 2.35.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | binutils | * | Up to (excluding) 2.35.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | binutils | * | Up to (including) 2.28-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | binutils | * | Up to (excluding) 2.35.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | cross-ia64-binutils | * | Up to (excluding) 2.37-lp152.4.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | cross-ia64-binutils | * | Up to (excluding) 2.37-7.26.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | binutils-devel | * | Up to (excluding) 2.37-9.44.1 | |||||
- 攻击路径 本地
- 攻击复杂度 困难
- 权限要求 普通权限
- 影响范围 有限影响
- EXP成熟度 EXP 已公开
- 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-119 | 内存缓冲区边界内操作的限制不恰当 |
| CWE-787 | 跨界内存写 |
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