低危 Squid Web Proxy up to 4.9 NTLM Authentication ext_lm_group_acl Credentials 拒绝服务漏洞
CVE编号
CVE-2020-8517利用情况
暂无补丁情况
官方补丁披露时间
2020-02-05漏洞描述
Squid是一种流行的开源Internet代理和Web缓存应用程序。Squid 4.10之前版本由于输入验证不正确，ext_lm_group_acl中的NTLM身份验证凭证解析器存在缓冲区溢出漏洞，可能导致拒绝服务。<br>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：http://www.squid-cache.org/Versions/v4/changesets/squid-4-6982f1187a26557e582172965e266f544ea562a5.patch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 | squid-cache | squid | * | Up to (excluding) 4.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | squid | * | Up to (excluding) 3.5.27-r4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | squid | * | Up to (excluding) 4.10-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | squid | * | Up to (excluding) 3.5.20-17.amzn2.7.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | squid | * | Up to (excluding) 3.5.20-17.48.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | squid | * | Up to (including) 4.6-1+deb10u7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | squid | * | Up to (excluding) 4.10-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | squid | * | Up to (excluding) 4.10-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | squid3 | * | Up to (including) 3.5.23-5+deb9u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | squid | * | Up to (excluding) 4.10-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | squid | * | Up to (excluding) 4.10-lp151.2.14.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | squid | * | Up to (excluding) 3.5.21-26.20 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | squid | * | Up to (excluding) 3.5.21-26.20.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | squid | * | Up to (excluding) 4.11-4.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | squid3 | * | Up to (excluding) 3.5.12-1ubuntu7.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | squid3 | * | Up to (excluding) 3.5.12-1ubuntu7.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | squid3 | * | Up to (excluding) 3.5.27-1ubuntu1.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | squid3 | * | Up to (excluding) 3.5.27-1ubuntu1.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | squid | * | Up to (excluding) 4.9-2ubuntu4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | squid | * | Up to (excluding) 4.9-2ubuntu4 | |||||
- 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-20 | 输入验证不恰当 |
| CWE-787 | 跨界内存写 |
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