Rockwell Automation CompactLogix 5370 Stack-based Buffer Overflow
CVE-2019-10954

7.5HIGH

Key Information:

Vendor: Rockwell Automation
Status: Compactlogix 5370 L1 Controllers; Compactlogix 5370 L2 Controllers; Compactlogix 5370 L3 Controllers; Compact Guardlogix 5370 Controllers
Vendor: CVE Published:; 1 May 2019

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What is CVE-2019-10954?

An attacker could send crafted SMTP packets to cause a denial-of-service condition where the controller enters a major non-recoverable faulted state (MNRF) in CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.

Affected Version(s)

Armor Compact GuardLogix 5370 controllers 0 < 20 - 30

Compact GuardLogix 5370 controllers 0 < 20 - 30

CompactLogix 5370 L1 controllers 0 < 20 - 30

References

https://ics-cert.us-cert.gov/advisories/ICSA-19-120-01

x_refsource_MISC

http://www.securityfocus.com/bid/108118

vdb-entryx_refsource_BID

https://rockwellautomation.custhelp.com/app/answers/detai...

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

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
May 1, 2019
Vulnerability Reserved
Apr 8, 2019

Credit

George Lashenko of CyberX reported to CISA.