CVE-2019-10954: rockwell automation armor compact guardlogix 5370 controllers Stack-based Buffer Overflow

Vulnerability summary

CVE-2019-10954 is a high (CVSS 7.8) Stack-based Buffer Overflow vulnerability in rockwell automation armor compact guardlogix 5370 controllers. EPSS estimates a 6.10% chance of exploitation in the next 30 days, higher than 93.3% of scored vulnerabilities.

Timeline

1. 01-05-2019
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.