Out-of-Bounds Read in libmodbus Affecting Multiple Versions
CVE-2019-14462

9.1CRITICAL

Key Information:

Vendor

LIBModbus

Status
Vendor
CVE Published:
31 July 2019

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2019-14462?

A vulnerability exists in libmodbus prior to version 3.0.7 and 3.1.x before 3.1.5, where an out-of-bounds read occurs specifically in the MODBUS_FC_WRITE_MULTIPLE_COILS operation. This can potentially lead to unintended behavior, including exposing sensitive information or causing application instability.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2019-14462 : Out-of-Bounds Read in libmodbus Affecting Multiple Versions