Denial of service in Rockwell Automation FactoryTalk Alarms and Events

1) Improper input validation

EUVDB-ID: #VU9597

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-14022

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition 

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can submit specially crafted packets to TCP port 403 and cause the system to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation

Update to version 2.90 or later.

Vulnerable software versions

FactoryTalk Alarms and Events: 2.50 - 2.70

External links

http://ics-cert.us-cert.gov/advisories/ICSA-17-341-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.