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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/5/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

ossec:ossec

Weaknesses (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)

IOC Correlations

No correlations recorded

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