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I. Basic Information for CVE-2021-29453
Vulnerability Information

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Vulnerability Title
Denial of service through memory exhaustion
Source: NVD (National Vulnerability Database)
Vulnerability Description
matrix-media-repo is an open-source multi-domain media repository for Matrix. Versions 1.2.6 and earlier of matrix-media-repo do not properly handle malicious images which are crafted to be small in file size, but large in complexity. A malicious user could upload a relatively small image in terms of file size, using particular image formats, which expands to have extremely large dimensions during the process of thumbnailing. The server can be exhausted of memory in the process of trying to load the whole image into memory for thumbnailing, leading to denial of service. Version 1.2.7 has a fix for the vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
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
Travis Ralston matrix-media-repo 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Travis Ralston matrix-media-repo是Travis Ralston开源的一个应用软件。用于Matrix的高度可定制的多域媒体存储库。 matrix-media-repo 存在安全漏洞,该漏洞源于不能正确处理恶意图像,这些图像被制作成文件大小很小,但复杂度很大。
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
turt2livematrix-media-repo <= 1.2.6 -
II. Public POCs for CVE-2021-29453
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III. Intelligence Information for CVE-2021-29453
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IV. Related Vulnerabilities
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