CVE编号
CVE-2019-12526利用情况
暂无补丁情况
官方补丁披露时间
2019-11-27漏洞描述
在4.9之前的Squid中发现了一个问题。 Squid中的URN响应处理遭受基于堆的缓冲区溢出的困扰。当响应URN请求从远程服务器接收数据时，Squid无法确保该响应可以放入缓冲区中。这导致攻击者控制的数据在堆中溢出。解决建议
升级至安全版本。
参考链接 |
|
|---|---|
| http://www.squid-cache.org/Advisories/SQUID-2019_7.txt | |
| https://bugzilla.suse.com/show_bug.cgi?id=1156326 | |
| https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html | |
| https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/202003-34 | |
| https://usn.ubuntu.com/4213-1/ | |
| https://www.debian.org/security/2020/dsa-4682 |
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 | * |
From (including) 3.0 |
Up to (including) 3.5.28 |
||||
| 运行在以下环境 | |||||||||
| 应用 | squid-cache | squid | * |
From (including) 4.0 |
Up to (including) 4.8 |
||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | squid | * |
Up to (excluding) 4.11-3.module+el8.3.0+7851+7808b5f9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | squid | * |
Up to (excluding) 4.6-1+deb10u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | squid | * |
Up to (excluding) 3.4.8-6+deb8u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | squid | * |
Up to (excluding) 3.5.23-5+deb9u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_30 | squid | * |
Up to (excluding) 4.9-2.fc30 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | squid | * |
Up to (excluding) 4.9-2.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.0 | squid | * |
Up to (excluding) 4.9-lp150.13.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | squid | * |
Up to (excluding) 4.9-lp151.2.7.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | squid | * |
Up to (excluding) 1.0.1-2.module+el8.3.0+7819+eb7d4ef6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | squid | * |
Up to (excluding) 4.11-3.module+el8.3.0+7851+7808b5f9 |
|||||
| 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) 4.9-4.3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | squid | * |
Up to (excluding) 3.5.12-1ubuntu7.9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | squid | * |
Up to (excluding) 3.5.27-1ubuntu1.4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | squid | * |
Up to (excluding) 4.9-2ubuntu1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | squid | * |
Up to (excluding) 4.9-2ubuntu1 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 无影响
- 全网数量 N/A
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