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CVE-2021-36773

HIGH

7.5

Description

uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recursion that can trigger memory consumption and a loss of all blocking functionality).

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie7/18/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

debian:debian_linuxsciruby:nmatrixublockorigin:ublock_originumatrix_project:umatrix

Faiblesses (CWE)

CWE-674

References

https://github.com/vtriolet/writings/blob/main/posts/2021/ublock_origin_and_umatrix_denial_of_service.adoc(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2022/06/msg00024.html(cve@mitre.org)

https://news.ycombinator.com/item?id=27833752(cve@mitre.org)

https://github.com/vtriolet/writings/blob/main/posts/2021/ublock_origin_and_umatrix_denial_of_service.adoc(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2022/06/msg00024.html(af854a3a-2127-422b-91ae-364da2661108)

https://news.ycombinator.com/item?id=27833752(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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