CVE编号
CVE-2022-21706利用情况
暂无补丁情况
N/A披露时间
2022-02-26漏洞描述
Zulip is an open-source team collaboration tool with topic-based threading. Zulip Server version 2.0.0 and above are vulnerable to insufficient access control with multi-use invitations. A Zulip Server deployment which hosts multiple organizations is vulnerable to an attack where an invitation created in one organization (potentially as a role with elevated permissions) can be used to join any other organization. This bypasses any restrictions on required domains on users' email addresses, may be used to gain access to organizations which are only accessible by invitation, and may be used to gain access with elevated privileges. This issue has been patched in release 4.10. There are no known workarounds for this issue. ### Patches _Has the problem been patched? What versions should users upgrade to?_ ### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_ ### References _Are there any links users can visit to find out more?_ ### For more information If you have any questions or comments about this advisory, you can discuss them on the [developer community Zulip server](https://zulip.com/developer-community/), or email the [Zulip security team](mailto:[email protected]).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://blog.zulip.com/2022/02/25/zulip-cloud-invitation-vulnerability/ | |
| https://blog.zulip.com/2022/02/25/zulip-server-4-10-security-release/#cve-2022-21706 | |
| https://github.com/zulip/zulip/commit/88917019f03860609114082cdc0f31a561503f9e | |
| https://github.com/zulip/zulip/security/advisories/GHSA-6xmj-2wcm-p2jc |
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 | zulip | zulip_server | * |
From (including) 2.0.0 |
Up to (excluding) 4.10.0 |
||||
- 攻击路径 网络
- 攻击复杂度 低
- 权限要求 无
- 影响范围 未更改
- 用户交互 无
- 可用性 高
- 保密性 高
- 完整性 高
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