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CVE-2023-46121— Generic Extractor MITM Vulnerability in yt-dlp

Quick assessment

Affected
yt-dlp yt-dlp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

yt-dlp是基于现在不活动的youtube-dlc 的youtube-dl分支。 yt-dlp 2023.11.14之前版本存在环境问题漏洞，该漏洞源于可以为任意URL的请求设置任意代理，允许攻击者对HTTP会话发出的请求进行中间人攻击，从而导致cookie泄露。

CVSS 5.0 · Medium EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-46121

Vulnerability Information
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Vulnerability Title
Generic Extractor MITM Vulnerability in yt-dlp
Source: CVE Program / CVE List V5
Vulnerability Description
yt-dlp is a youtube-dl fork with additional features and fixes. The Generic Extractor in yt-dlp is vulnerable to an attacker setting an arbitrary proxy for a request to an arbitrary url, allowing the attacker to MITM the request made from yt-dlp's HTTP session. This could lead to cookie exfiltration in some cases. Version 2023.11.14 removed the ability to smuggle `http_headers` to the Generic extractor, as well as other extractors that use the same pattern. Users are advised to upgrade. Users unable to upgrade should disable the Ggneric extractor (or only pass trusted sites with trusted content) and ake caution when using `--no-check-certificate`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
yt-dlp 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
yt-dlp是基于现在不活动的youtube-dlc 的youtube-dl分支。 yt-dlp 2023.11.14之前版本存在环境问题漏洞，该漏洞源于可以为任意URL的请求设置任意代理，允许攻击者对HTTP会话发出的请求进行中间人攻击，从而导致cookie泄露。
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

Vendor Product Affected Versions CPE Subscribe
yt-dlp yt-dlp >= 2022.10.04, < 2023.11.14 -

II. Public POCs for CVE-2023-46121

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III. Intelligence Information for CVE-2023-46121

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Patches & Fixes for CVE-2023-46121 (1)

Vendor Advisories for CVE-2023-46121 (1)

Other References for CVE-2023-46121 (1)

IV. Related Vulnerabilities

Same product: yt-dlp
Same vendor: yt-dlp
Same weakness: CWE-444

V. Comments for CVE-2023-46121

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