Out-of-bounds read in libmodbus - CVE-2019-14463
Published: August 9, 2019
Vulnerability identifier: #VU20026
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2019-14463
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: libmodbus.org
Affected software:
libmodbus
libmodbus
Detailed vulnerability description
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.
How to mitigate CVE-2019-14463
Install updates from vendor's website.