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I. Basic Information for CVE-2023-47120
Vulnerability Information

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Vulnerability Title
Discourse DoS through Onebox favicon URL
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open source platform for community discussion. In versions 3.1.0 through 3.1.2 of the `stable` branch and versions 3.1.0,beta6 through 3.2.0.beta2 of the `beta` and `tests-passed` branches, Redis memory can be depleted by crafting a site with an abnormally long favicon URL and drafting multiple posts which Onebox it. The issue is patched in version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Discourse 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Discourse是一套开源的社区讨论平台。该平台包括社区、电子邮件和聊天室等功能。 Discourse 3.1.0 版本到 3.1.2 版本存在安全漏洞,该漏洞源于通过创建一个具有异常长的图标 URL 的网站并在 Onebox 中起草多个帖子,可能会耗尽 Redis 内存。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
discoursediscourse >= 3.1.0, < 3.1.3 -
II. Public POCs for CVE-2023-47120
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III. Intelligence Information for CVE-2023-47120
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IV. Related Vulnerabilities
V. Comments for CVE-2023-47120

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