CVE-2024-27286— Zulip 安全漏洞
一分钟漏洞结论
影响对象
zulip zulip
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Zulip是美国Zulip公司的一款功能强大的开源群聊应用程序。用于将实时聊天的即时性与线程对话的生产力优势相结合。 Zulip 3.0至8.3之前版本存在安全漏洞，该漏洞源于将消息从公共流移动到专用流，导致消息易于访问。
可能的 ATT&CK 技术 1 AI
T1530 · Data from Cloud Storage
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一、 漏洞 CVE-2024-27286 基础信息
漏洞信息
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Vulnerability Title
Moving single messages from public to private streams leaves them accessible
来源: CVE Program / CVE List V5
Vulnerability Description
Zulip is an open-source team collaboration tool. When a user moves a Zulip message, they have the option to move all messages in the topic, move only subsequent messages as well, or move just a single message. If the user chose to just move one message, and was moving it from a public stream to a private stream, Zulip would successfully move the message, -- but active users who did not have access to the private stream, but whose client had already received the message, would continue to see the message in the public stream until they reloaded their client. Additionally, Zulip did not remove view permissions on the message from recently-active users, allowing the message to show up in the "All messages" view or in search results, but not in "Inbox" or "Recent conversations" views. While the bug has been present since moving messages between streams was first introduced in version 3.0, this option became much more common starting in Zulip 8.0, when the default option in the picker for moving the very last message in a conversation was changed. This issue is fixed in Zulip Server 8.3. No known workarounds are available.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
信息暴露
来源: CVE Program / CVE List V5
Vulnerability Title
Zulip 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Zulip是美国Zulip公司的一款功能强大的开源群聊应用程序。用于将实时聊天的即时性与线程对话的生产力优势相结合。 Zulip 3.0至8.3之前版本存在安全漏洞，该漏洞源于将消息从公共流移动到专用流，导致消息易于访问。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2024-27286 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2024-27286 补丁与修复 (1)
CVE-2024-27286 厂商安全公告 (1)
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https://github.com/zulip/zulip/security/advisories/GHSA-478x-rfqr-w4jf x_refsource_CONFIRM
IV. Related Vulnerabilities
V. Comments for CVE-2024-27286
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