CVE编号
CVE-2020-11945利用情况
暂无补丁情况
官方补丁披露时间
2020-04-24漏洞描述
在5.0.2之前的Squid中发现了一个问题。远程攻击者可以重播嗅探到的摘要身份验证随机数,以获取对原本禁止的资源的访问。发生这种情况是因为攻击者可能使随机数引用计数器(一个短整数)溢出。如果释放了合并的令牌凭据(而不是作为有效凭据重播),则可能会执行远程代码。解决建议
目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页:http://www.squid-cache.org/
参考链接 |
|
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http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html | |
http://master.squid-cache.org/Versions/v4/changesets/squid-4-eeebf0f37a72a2de... | |
http://www.openwall.com/lists/oss-security/2020/04/23/2 | |
http://www.squid-cache.org/Versions/v4/changesets/squid-4-eeebf0f37a72a2de083... | |
https://bugzilla.suse.com/show_bug.cgi?id=1170313 | |
https://github.com/squid-cache/squid/commit/eeebf0f37a72a2de08348e85ae34b02c34e9a811 | |
https://github.com/squid-cache/squid/pull/585 | |
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://lists.fedoraproject.org/archives/list/[email protected]... | |
https://security.gentoo.org/glsa/202005-05 | |
https://security.netapp.com/advisory/ntap-20210304-0004/ | |
https://usn.ubuntu.com/4356-1/ | |
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) 4.10 |
||||
运行在以下环境 | |||||||||
应用 | squid-cache | squid | * |
From (including) 5.0 |
Up to (excluding) 5.0.2 |
||||
运行在以下环境 | |||||||||
系统 | redhat_7 | squid | * |
Up to (excluding) 7:3.5.20-15.el7_8.1 |
|||||
运行在以下环境 | |||||||||
系统 | suse_12 | squid | * |
Up to (excluding) 4.11-4.9 |
|||||
运行在以下环境 | |||||||||
系统 | ubuntu_16.04_lts | squid3 | * |
Up to (excluding) 3.5.12-1ubuntu7.11 |
|||||
运行在以下环境 | |||||||||
系统 | ubuntu_18.04_lts | squid3 | * |
Up to (excluding) 3.5.27-1ubuntu1.6 |
|||||
- 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
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