Out-of-Bounds Read Vulnerability in OpenPLC Runtime by OpenPLC
CVE-2024-36981

7.5HIGH

Key Information:

Vendor

Openplc

Status
Openplc V3
Vendor
CVE Published:
18 September 2024

What is CVE-2024-36981?

An out-of-bounds read vulnerability affects the EtherNet/IP PCCC parser functionality in the OpenPLC Runtime. This vulnerability can be exploited by an attacker through carefully crafted network requests, potentially resulting in a denial of service. The flaw arises from an incorrect comparison during the parsing process, allowing for unexpected behavior when processing a sequence of EtherNet/IP requests. System administrators should prioritize patching this vulnerability to safeguard against possible disruptive attacks.

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Deploy the Patch

Affected Version(s)

OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88

References

https://talosintelligence.com/vulnerability_reports/TALOS...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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