Rockwell Automation Allen-Bradley MicroLogix 1400 up to 21.002 memory corruption

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.05

A vulnerability was found in Rockwell Automation Allen-Bradley MicroLogix 1400 up to 21.002 (Automation Software). It has been classified as critical. Affected is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and earlier. The stack-based buffer overflow vulnerability has been identified, which may allow remote code execution.

The bug was discovered 02/19/2019. The weakness was disclosed 01/09/2018 by Thiago Alves (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2017-16740 since 11/09/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/29/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102474).

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VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

11/09/2017 🔍
01/09/2018 +61 days 🔍
01/09/2018 +0 days 🔍
01/09/2018 +0 days 🔍
01/10/2018 +1 days 🔍
02/19/2019 +405 days 🔍
01/29/2021 +710 days 🔍

Sourcesinfoedit

Advisory: securityfocus.com
Researcher: Thiago Alves
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16740 (🔍)
SecurityFocus: 102474 - Rockwell Automation MicroLogix 1400 Controllers CVE-2017-16740 Stack Buffer Overflow Vulnerability

Entryinfoedit

Created: 01/10/2018 02:15 PM
Updated: 01/29/2021 11:54 AM
Changes: (2) advisory_person_name vulnerability_cvss2_nvd_basescore
Complete: 🔍

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