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).
Scores
CVSS v3
9.8
EPSS
0.0076
EPSS Percentile
73.4%
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-193
CWE-787
Status
published
Products (1)
ossec/ossec
2.7 - 3.5.0
Published
Jan 30, 2020
Tracked Since
Feb 18, 2026