CVE-2020-8444

CRITICAL

OSSEC-HIDS 2.7-3.5.0 - Use-After-Free in ossec-analysisd Alert Processing

Title source: llm
STIX 2.1

Description

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 ossec-alert formatted msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).

References (4)

Core 4
Core References
Third Party Advisory x_refsource_misc
https://github.com/ossec/ossec-hids/issues/1821
Vendor Advisory x_refsource_misc
https://www.ossec.net/
Exploit, Third Party Advisory x_refsource_misc
https://github.com/ossec/ossec-hids/issues/1817
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202007-33

Scores

CVSS v3 9.8
EPSS 0.0249
EPSS Percentile 82.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (1)
ossec/ossec 2.7 - 3.5.0
Published Jan 30, 2020
Tracked Since Feb 18, 2026