Out-of-bounds Write Affecting ossec/ossec-hids package, versions [2.7,]


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.76% (72nd percentile)

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  • Snyk IDSNYK-UNMANAGED-OSSECOSSECHIDS-2366170
  • published26 Jan 2022
  • disclosed30 Jan 2020
  • creditUnknown

Introduced: 30 Jan 2020

CVE-2020-8443  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for ossec/ossec-hids.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. 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).

CVSS Base Scores

version 3.1