PT-2018-5345 · Allen Bradley · Allen Bradley Micrologix 1400 Series B

Published 2018-06-04 · Updated 2022-04-19 · CVE-2017-12092

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:H/A:N

Name of the Vulnerable Software and Affected Versions Allen Bradley Micrologix 1400 Series B FRN versions 21.2 and before

Description A file write issue exists in the memory module functionality, allowing a specially crafted packet to cause a file write, resulting in a new program being written to the memory module. An attacker can send an unauthenticated packet to trigger this issue.

Recommendations For Allen Bradley Micrologix 1400 Series B FRN versions 21.2 and before, consider restricting access to the memory module functionality until a fix is available. As a temporary workaround, implement additional authentication measures to prevent unauthenticated packets from triggering the file write issue.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2017-12092

Affected Products

Allen Bradley Micrologix 1400 Series B

References · 3

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2017-0444 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-12092 · Security Note
• https://osv.dev/vulnerability/CVE-2017-12092 · Vendor Advisory