SB20190816102 - Fedora 29 update for libmodbus

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Main Vulnerability Database SB20190816102

SB20190816102 - Fedora 29 update for libmodbus

Published: August 16, 2019 Updated: April 25, 2025

Security Bulletin ID SB20190816102
CSH 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 vulnerabilities.


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

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


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)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


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.

References