Use-After-Free Vulnerability in OSSEC-HIDS by Trend Micro
CVE-2020-8447

9.8CRITICAL

Key Information:

Vendor

Ossec

Status
Ossec
Vendor
CVE Published:
30 January 2020

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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References

https://github.com/ossec/ossec-hids/issues/1821
x_refsource_MISC
https://www.ossec.net/
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https://github.com/ossec/ossec-hids/issues/1818
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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