PT-2024-25764 · Libmodbus · Libmodbus

Marklee131 · Published 2024-05-08 · Updated 2024-07-03 · CVE-2024-34244

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions libmodbus version 3.1.10

Description The issue is a Buffer Overflow that can be triggered via the modbus write bits function when it is fed with specially crafted input. This leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.

Recommendations For libmodbus version 3.1.10, consider disabling the modbus write bits function until a patch is available to prevent potential exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-120

Related Identifiers

CVE-2024-34244

Affected Products

Libmodbus

References · 10

• https://github.com/stephane/libmodbus/issues/743 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-34244 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-34244 · Security Note
• https://ubuntu.com/security/CVE-2024-34244 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-34244 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-34244 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2024-34244 · Vendor Advisory
• https://t.me/cvenotify/79675 · Telegram Post
• https://t.me/cvenotify/79667 · Telegram Post
• https://twitter.com/CVEnew/status/1788295914807075187 · Twitter Post