SB2020052142 - Out-of-bounds read in pdns-recursor (Alpine package)



SB2020052142 - Out-of-bounds read in pdns-recursor (Alpine package)

Published: May 21, 2020

Security Bulletin ID SB2020052142
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2020-10030)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing a hostname via the gethostname()  function. A local user with ability to change system hostname can trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.