Vulnerability · Published Jan 30, 2020 · Assigned by mitre

CVE-2020-8443

Critical 9.8

In plain English

A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)2.7%top 14.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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).

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/ossec/ossec-hids/issues/1821 x_refsource_MISC
https://www.ossec.net/ x_refsource_MISC
https://github.com/ossec/ossec-hids/issues/1816 x_refsource_MISC
GLSA-202007-33 vendor-advisory, x_refsource_GENTOO