Out-of-Bounds Read Vulnerability in libmodbus Affecting Multiple Versions
CVE-2019-14463

9.1CRITICAL

Key Information:

Vendor

LIBModbus

Status
LIBModbus
Vendor
CVE Published:
31 July 2019

What is CVE-2019-14463?

A vulnerability in libmodbus allows for an out-of-bounds read during the execution of the MODBUS_FC_WRITE_MULTIPLE_REGISTERS function. This issue exists in versions of libmodbus prior to 3.0.7 and in the 3.1.x series before 3.1.5. Attackers may exploit this vulnerability to read data outside the intended bounds of memory, potentially leading to sensitive information exposure. Users are advised to upgrade to the latest stable version to mitigate this risk.

References

https://github.com/stephane/libmodbus/commit/5ccdf5ef79d7...
x_refsource_MISC
https://libmodbus.org/2019/stable-and-development-releases/
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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