Use-After-Free Vulnerability in OSSEC-HIDS by Trend Micro

CVE-2020-8447

What is CVE-2020-8447?

In versions 2.7 through 3.5.0 of OSSEC-HIDS, a critical issue exists in the server component, ossec-analysisd, which handles log analysis. An attacker can exploit this vulnerability through crafted syscheck formatted messages received from authenticated remote agents. The flaw leads to a use-after-free condition during the processing of these messages, potentially enabling unauthorized access or disruption. Users are urged to review the software and apply patches where necessary to protect against this threat.

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