SB2020121104 - Out-of-bounds write in nrpe (Alpine package)



SB2020121104 - Out-of-bounds write in nrpe (Alpine package)

Published: December 11, 2020

Security Bulletin ID SB2020121104
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2020-6582)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Nagios NRPE 3.2.1 has a Heap-Based Buffer Overflow, as demonstrated by interpretation of a small negative number as a large positive number during a bzero call.


Remediation

Install update from vendor's website.