SB2019111244 - Fedora EPEL 7 update for libmodbus



SB2019111244 - Fedora EPEL 7 update for libmodbus

Published: November 12, 2019 Updated: April 25, 2025

Security Bulletin ID SB2019111244
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2019-14462)

The vulnerability allows a local user to gain access to potentially sensitive information or perform denial of service attack.

The vulnerability exists due to a boundary condition within MODBUS_FC_WRITE_MULTIPLE_COILS in libmodbus. A local user can submit specially crafted input to the affected aplication, trigger out-of-bounds read error and read contents of memory on the system or perform denial of service attack.


2) Out-of-bounds read (CVE-ID: CVE-2019-14463)

The vulnerability allows a local user to gain access to potentially sensitive information or perform denial of service attack.

The vulnerability exists due to a boundary condition within MODBUS_FC_WRITE_MULTIPLE_REGISTERS in libmodbus. A local user can submit specially crafted input to the affected aplication, trigger out-of-bounds read error and read contents of memory on the system or perform denial of service attack.


Remediation

Install update from vendor's website.