中危 mcrypt 2.6.8 - Stack Based Buffer Overflow (PoC)
CVE编号
CVE-2012-4409利用情况
POC 已公开补丁情况
官方补丁披露时间
2012-11-22漏洞描述
Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via an encrypted file with a crafted header containing long salt data that is not properly handled during decryption.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 | mcrypt | mcrypt | * | Up to (including) 2.6.8 | |||||
| 运行在以下环境 | |||||||||
| 应用 | mcrypt | mcrypt | 2.6.4 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | mcrypt | mcrypt | 2.6.5 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | mcrypt | mcrypt | 2.6.6 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | mcrypt | mcrypt | 2.6.7 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | mcrypt | * | Up to (excluding) 2.6.8-1.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | mcrypt | * | Up to (excluding) 2.6.8-1.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | mcrypt | * | Up to (excluding) 2.6.8-1.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | mcrypt | * | Up to (excluding) 2.6.8-1.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_5 | mcrypt-debuginfo | * | Up to (excluding) 2.6.8-9.el5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_6 | mcrypt-debuginfo | * | Up to (excluding) 2.6.8-9.el6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | mcrypt | * | Up to (excluding) 2.6.8-1.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | mcrypt | * | Up to (excluding) 2.6.8-1.2 | |||||
- 攻击路径 远程
- 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 POC 已公开
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 传输被破坏
- 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 |
Exp相关链接
- avd.aliyun.com
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