CVE-2020-8447

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a use-after-free during processing of syscheck formatted msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).
Severity
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Atk. Vector
NETWORK
Atk. Complexity
LOW
Priv. Required
NONE
Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
ossecossec
2.7 ≤
𝑥
≤ 3.5.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/ossec/ossec-hids/issues/1818
https://github.com/ossec/ossec-hids/issues/1821
https://security.gentoo.org/glsa/202007-33
https://www.ossec.net/