CVE-2020-6086

An exploitable denial of service vulnerability exists in the ENIP Request Path Data Segment functionality of Allen-Bradley Flex IO 1794-AENT/B. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.If the Simple Segment Sub-Type is supplied, the device treats the byte following as the Data Size in words. When this value represents a size greater than what remains in the packet data, the device enters a fault state where communication with the device is lost and a physical power cycle is required.
References
Link Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1007 Exploit Third Party Advisory
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Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:rockwellautomation:flex_i\/o_1794-aent\/b_firmware:4.003:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:flex_i\/o_1794-aent\/b:-:*:*:*:*:*:*:*

Information

Published : 2020-10-14 06:15

Updated : 2022-07-29 06:31


NVD link : CVE-2020-6086

Mitre link : CVE-2020-6086


JSON object : View

CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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Products Affected

rockwellautomation

  • flex_i\/o_1794-aent\/b
  • flex_i\/o_1794-aent\/b_firmware