PT-2024-27229 · Openplc · Openplc

Jared Rittle · Published 2024-09-18 · Updated 2024-11-13 · CVE-2024-36980

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 OpenPLC v3 b4702061dc14d1024856f71b4543298d77007b88

Description An out-of-bounds read issue exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality. A specially crafted network request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger this issue. The vulnerability was exploited by taking the return value of a function, -1, as a uint16 t type, bypassing validation, and using it as an argument to the memmove function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2024-36980

Affected Products

Openplc

References · 8

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004 · Exploit
• https://osv.dev/vulnerability/CVE-2024-36980 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-36980 · Security Note
• https://t.me/true_secator/6254 · Telegram Post
• https://twitter.com/hackyboiz/status/1856608646756524234 · Twitter Post
• https://t.me/latest_high_impact_cve/1170 · Telegram Post
• https://twitter.com/CVEnew/status/1836424264830132267 · Twitter Post
• https://t.me/cvenotify/96240 · Telegram Post