SB2019070318 - Information disclosure in FreeBSD



SB2019070318 - Information disclosure in FreeBSD

Published: July 3, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019070318
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2019-5601)

The vulnerability allows a remote authenticated user to gain access to sensitive information.

In FreeBSD 12.0-STABLE before r347474, 12.0-RELEASE before 12.0-RELEASE-p7, 11.2-STABLE before r347475, and 11.2-RELEASE before 11.2-RELEASE-p11, a bug in the FFS implementation causes up to three bytes of kernel stack memory to be written to disk as uninitialized directory entry padding.


Remediation

Install update from vendor's website.