Infinite loop in Rockwell Automation products using GoAhead Web Server



Published: 2023-01-27
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-5097
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Compact GuardLogix 5380
Hardware solutions / Firmware

CompactLogix 5480
Hardware solutions / Firmware

CompactLogix 5380
Hardware solutions / Firmware

GuardLogix 5580
Hardware solutions / Firmware

ControlLogix 5580
Hardware solutions / Firmware

1756-EN2TP/A
Hardware solutions / Firmware

1756-EN2F/C
Hardware solutions / Firmware

1765 – EN3TR/B
Hardware solutions / Firmware

1756- EN2T/D
Hardware solutions / Firmware

1756-EN2TR/C
Hardware solutions / Other hardware appliances

Vendor Rockwell Automation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU23340

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-5097

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in the processing of multi-part/form-data requests in the base GoAhead web server application. A remote attacker can send a specially crafted HTTP request, consume all available system resources and cause denial of service conditions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Compact GuardLogix 5380: 31 - 32

CompactLogix 5480: 32

CompactLogix 5380: 28 - 32

GuardLogix 5580: 31 - 32

ControlLogix 5580: 28 - 32

1756-EN2TR/C: 11.001

1756-EN2TP/A: 11.001

1756-EN2F/C: 11.001

1765 – EN3TR/B: 11.001

1756- EN2T/D: 11.001

CPE2.3 External links

http://ics-cert.us-cert.gov/advisories/icsa-23-026-06

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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