SB2019012434 - Out-of-bounds read in busybox (Alpine package)



SB2019012434 - Out-of-bounds read in busybox (Alpine package)

Published: January 24, 2019

Security Bulletin ID SB2019012434
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote 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-2018-20679)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in udhcp components (consumed by the DHCP server, client, and relay). A remote attacker can leak sensitive information from the stack by sending a crafted DHCP message.


Remediation

Install update from vendor's website.