CVE-2021-34549

HIGH

7.5

Description

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.

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

Publie6/29/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

torproject:tor

Faiblesses (CWE)

CWE-400

References

https://blog.torproject.org/node/2041(cve@mitre.org)

https://gitlab.torproject.org/tpo/core/tor/-/issues/40391(cve@mitre.org)

https://security.gentoo.org/glsa/202107-25(cve@mitre.org)

https://blog.torproject.org/node/2041(af854a3a-2127-422b-91ae-364da2661108)

https://gitlab.torproject.org/tpo/core/tor/-/issues/40391(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202107-25(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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