中危 privoxy privoxy 空指针解引用
CVE编号
CVE-2021-20274利用情况
EXP 已公开补丁情况
官方补丁披露时间
2021-03-10漏洞描述
A flaw was found in privoxy before 3.0.32. A crash may occur due a NULL-pointer dereference when the socks server misbehaves.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。
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1936662 | |
| https://security.gentoo.org/glsa/202107-16 | |
| https://www.privoxy.org/announce.txt |
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 | privoxy | privoxy | * | Up to (excluding) 3.0.32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | privoxy | * | Up to (excluding) 3.0.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | privoxy | * | Up to (excluding) 3.0.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | privoxy | * | Up to (excluding) 3.0.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | privoxy | * | Up to (excluding) 3.0.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | privoxy | * | Up to (excluding) 3.0.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | privoxy | * | Up to (excluding) 3.0.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | privoxy | * | Up to (excluding) 3.0.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | privoxy | * | Up to (excluding) 3.0.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | privoxy | * | Up to (excluding) 3.0.28-2+deb10u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | privoxy | * | Up to (excluding) 3.0.32-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | privoxy | * | Up to (excluding) 3.0.32-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | privoxy | * | Up to (excluding) 3.0.32-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | privoxy | * | Up to (excluding) 3.0.32-1.fc32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | privoxy | * | Up to (excluding) 3.0.32-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | privoxy | * | Up to (excluding) 3.0.32-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | privoxy | * | Up to (excluding) 3.0.32-1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | privoxy | * | Up to (excluding) 3.0.32-lp152.3.9.1 | |||||
- 攻击路径 远程
- 攻击复杂度 容易
- 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-476 | 空指针解引用 |
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