CVE编号
CVE-2021-3621利用情况
暂无补丁情况
官方补丁披露时间
2021-08-16漏洞描述
SSSD是一款提供本地或远程身份和身份验证资源访问的守护程序。 SSSD 存在安全漏洞，该漏洞源于在SSSD中发现了一个缺陷，sssctl命令很容易通过log -fetch和cache-expire子命令注入shell命令。攻击者可利用该漏洞诱骗用户运行一个特别设计的sssctl命令，来威胁系统的机密性、完整性以及系统可用性。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：https://access.redhat.com/security/cve/cve-2021-3621
参考链接 |
|
|---|---|
| https://access.redhat.com/security/cve/cve-2021-3621 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1975142 | |
| https://packetstormsecurity.com/files/163856/Red-Hat-Security-Advisory-2021-3... | |
| https://sssd.io/release-notes/sssd-2.6.0.html | |
| https://vigilance.fr/vulnerability/SSSD-privilege-escalation-via-sssctl-36139 | |
| https://www.auscert.org.au/bulletins/ESB-2021.2767 | |
| https://www.auscert.org.au/bulletins/ESB-2021.2796 | |
| https://www.auscert.org.au/bulletins/ESB-2021.2899 | |
| https://www.cybersecurity-help.cz/vdb/SB2021082206 |
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 | redhat | virtualization | 4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | virtualization_host | 4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | sssd | sssd | 2.6.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | sssd | * |
Up to (excluding) 1.16.5-10.1.al7.10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | sssd | * |
Up to (excluding) 0.8-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | sssd | * |
Up to (excluding) 0.8-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | sssd | * |
Up to (excluding) 0.8-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | sssd | * |
Up to (excluding) 0.8-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | sssd | * |
Up to (excluding) 1.16.5-10.amzn2.10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | sssd | * |
Up to (excluding) 1.16.4-21.26.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | sssd | * |
Up to (excluding) 1.16.5-10.el7_9.10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | sssd | * |
Up to (excluding) 2.4.0-9.el8_4.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | sssd | * |
Up to (excluding) 1.16.3-3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | sssd | * |
Up to (excluding) 2.4.1-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | sssd | * |
Up to (excluding) 2.4.1-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | sssd | * |
Up to (excluding) 1.15.0-3+deb9u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | sssd | * |
Up to (excluding) 2.4.1-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | sssd | * |
Up to (excluding) 0.8-14.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | sssd | * |
Up to (excluding) 0.8-14.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | sssd | * |
Up to (excluding) 1.16.1-23.11.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | sssd | * |
Up to (excluding) 1.16.5-10.0.1.el7_9.10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | sssd | * |
Up to (excluding) 2.4.0-9.0.1.el8_4.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | sssd | * |
Up to (excluding) 2.4.0-9.el8_4.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | sssd | * |
Up to (excluding) 1.16.1-7.22.4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | sssd | * |
Up to (excluding) 1.16.1-1ubuntu1.8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | sssd | * |
Up to (excluding) 2.2.3-3ubuntu0.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | sssd | * |
Up to (excluding) 2.4.0-1ubuntu6.1 |
|||||
- 攻击路径 本地
- 攻击复杂度 困难
- 权限要求 管控权限
- 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 服务器失陷
- 全网数量 N/A
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