SB2020042932 - Out-of-bounds read in FreeBSD



SB2020042932 - Out-of-bounds read in FreeBSD

Published: April 29, 2020 Updated: August 8, 2020

Security Bulletin ID SB2020042932
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2019-15874)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In FreeBSD 12.1-STABLE before r356035, 12.1-RELEASE before 12.1-RELEASE-p4, 11.3-STABLE before r356036, and 11.3-RELEASE before 11.3-RELEASE-p8, incomplete packet data validation may result in memory access after it has been freed leading to a kernel panic or other unpredictable results.


Remediation

Install update from vendor's website.