CVE-2021-28040

HIGH

7.5

Description

An issue was discovered in OSSEC 3.6.0. An uncontrolled recursion vulnerability in os_xml.c occurs when a large number of opening and closing XML tags is used. Because recursion is used in _ReadElem without restriction, an attacker can trigger a segmentation fault once unmapped memory is reached.

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

Publie3/5/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

ossec:ossec

Faiblesses (CWE)

CWE-674

References

https://github.com/ossec/ossec-hids/issues/1953(cve@mitre.org)

https://github.com/ossec/ossec-hids/issues/1953(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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