CVE-2020-8443

Critical

Description

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to an off-by-one heap-based buffer overflow during the cleaning of crafted syslog msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).

SeverityCritical

CVSS9.8

Exploit probability—

ProductOssec

PublishedJan 30, 2020

First seenJan 30, 2020

How to fix

Vendor advisories

security.gentoo.org/glsa/202007-33

Affected products

Product	Affected versions	Fixed in
ossec ossec	2.7 ≤ v ≤ 3.5.0	—

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