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I. Basic Information for CVE-2023-28440
Vulnerability Information

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Vulnerability Title
Denial of service via admin theme import route in Discourse
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open source platform for community discussion. In affected versions a maliciously crafted request from a Discourse administrator can lead to a long-running request and eventual timeout. This has the greatest potential impact in shared hosting environments where admins are untrusted. This issue has been addressed in versions 3.0.3 and 3.1.0.beta4. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Discourse 资源管理错误漏洞
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存在资源管理错误漏洞,该漏洞源于来自 Discourse 管理员的恶意请求可能会导致请求长时间运行并最终超时。受影响的产品和版本:Discourse stable <= 3.0.2及之前版本,beta 3.1.0.beta3及之前版本,tests-passed 3.1.0.beta3及之前版本。
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 stable: <= 3.0.2 -
II. Public POCs for CVE-2023-28440
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III. Intelligence Information for CVE-2023-28440
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IV. Related Vulnerabilities
V. Comments for CVE-2023-28440

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