Rockwell Automation EtherNet-IP Web Server Module 1756-EWEB SNMP Service UDP Packet input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Rockwell Automation EtherNet-IP Web Server Module 1756-EWEB and CompactLogix 1768-EWEB. This vulnerability affects unknown code of the component SNMP Service. The manipulation as part of UDP Packet results in input validation. This vulnerability was named CVE-2018-19016. The attack may be performed from remote. There is no available exploit. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Rockwell Automation EtherNet-IP Web Server Module 1756-EWEB and CompactLogix 1768-EWEB (Automation Software) (affected version not known). Affected is some unknown functionality of the component SNMP Service. The manipulation as part of a UDP Packet leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

Rockwell Automation EtherNet/IP Web Server Modules 1756-EWEB (includes 1756-EWEBK) Version 5.001 and earlier, and CompactLogix 1768-EWEB Version 2.005 and earlier. A remote attacker could send a crafted UDP packet to the SNMP service causing a denial-of-service condition to occur until the affected product is restarted.

The bug was discovered 02/05/2019. The weakness was presented 03/27/2019. This vulnerability is traded as CVE-2018-19016 since 11/06/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 50 days. During that time the estimated underground price was around $0-$5k.

It is possible to mitigate the weakness by firewalling udp/161 (snmp).

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

11/06/2018 🔍
02/05/2019 +91 days 🔍
03/27/2019 +50 days 🔍
03/28/2019 +1 days 🔍
08/08/2023 +1594 days 🔍

Sourcesinfo

Advisory: ics-cert.us-cert.gov
Status: Not defined

CVE: CVE-2018-19016 (🔍)
GCVE (CVE): GCVE-0-2018-19016
GCVE (VulDB): GCVE-100-132498

Entryinfo

Created: 03/28/2019 11:37
Updated: 08/08/2023 19:35
Changes: 03/28/2019 11:37 (56), 05/22/2020 09:22 (1), 08/08/2023 19:35 (4)
Complete: 🔍
Cache ID: 216::103

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