低危 Expat encryption mechanism损坏漏洞
CVE编号
CVE-2012-6706利用情况
暂无补丁情况
官方补丁披露时间
2017-06-23漏洞描述
在5.5.5之前的unrar中发现了VMSF_DELTA内存损坏，如3.37.2之前的Sophos Anti-Virus Threat Detection Engine和其他可能导致任意代码执行的产品。可以在DataSize + CurChannel中引起整数溢出。结果是'DestPos'变量的负值，允许攻击者在设置Mem [DestPos]时写出越界。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://community.sophos.com/kb/en-us/118424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 | rarlab | unrar | * | Up to (including) 5.5.4 | |||||
| 运行在以下环境 | |||||||||
| 应用 | sophos | threat_detection_engine | * | Up to (including) 3.36.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | clamav | * | Up to (excluding) 0.99.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | clamav | * | Up to (excluding) 0.99.4-1.29.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | libclamunrar | * | Up to (excluding) 0.99-4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | libclamunrar | * | Up to (excluding) 0.99-4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | libclamunrar | * | Up to (excluding) 0.99-4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | libclamunrar | * | Up to (excluding) 0.99-0+deb7u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | libclamunrar | * | Up to (excluding) 0.99-0+deb8u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | libclamunrar | * | Up to (excluding) 0.99-3+deb9u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | libclamunrar | * | Up to (excluding) 0.99-4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | clamav-server-systemd | * | Up to (excluding) 0.99.4-1.fc26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | clamav-server-debuginfo | * | Up to (excluding) 0.99.4-1.fc27 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_6 | clamav | * | Up to (excluding) 0.99.4-1.el6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | clamav-server-systemd | * | Up to (excluding) 0.99.4-1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.2 | clamav | * | Up to (excluding) 5.5.5-3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | clamav | * | Up to (excluding) 0.99.4-23.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | unrar | * | Up to (excluding) 0.99.2-0.19.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | clamav | * | Up to (excluding) 0.99.4-33.9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | unrar | * | Up to (excluding) 0.99.4-33.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | clamav | * | Up to (excluding) 0.99.4-33.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | unrar | * | Up to (excluding) 5.6.1-4.5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | libclamunrar | * | Up to (excluding) 0.99-0ubuntu0.14.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | libclamunrar | * | Up to (excluding) 0.99-0ubuntu0.14.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | libclamunrar | * | Up to (excluding) 0.99-1ubuntu0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | libclamunrar | * | Up to (excluding) 0.99-1ubuntu0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | libclamunrar | * | Up to (excluding) 0.99-4ubuntu1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | libclamunrar | * | Up to (excluding) 0.99-4ubuntu1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.10 | libclamunrar | * | Up to (excluding) 0.99-4ubuntu1 | |||||
- 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 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-190 | 整数溢出或超界折返 |
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