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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-46121
HistoryNov 15, 2023 - 12:15 a.m.

CVE-2023-46121

2023-11-1500:15:09
Debian Security Bug Tracker
security-tracker.debian.org
11
yt-dlp
generic extractor
vulnerability
mitm attack
cookie exfiltration
upgrade
disable
--no-check-certificate

5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

5.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.4%

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.

OSVersionArchitecturePackageVersionFilename
Debian12allyt-dlp<= 2023.03.04-1yt-dlp_2023.03.04-1_all.deb
Debian999allyt-dlp< 2023.11.16-1yt-dlp_2023.11.16-1_all.deb
Debian13allyt-dlp< 2023.11.16-1yt-dlp_2023.11.16-1_all.deb

5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

5.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.4%