CVE-2021-28040

EUVD-2021-14747
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
Affected Products (NVD)
VendorProductVersion
ossecossec
3.6.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/ossec/ossec-hids/issues/1953
https://github.com/ossec/ossec-hids/issues/1953