Vulnerability identifier: #VU28998
Vulnerability risk: Medium
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:
CWE-ID:
CWE-434
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FactoryTalk Linx
Server applications /
SCADA systems
RSLinx Classic
Server applications /
SCADA systems
Vendor: Rockwell Automation
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload within the communication function. A remote attacker can upload a file with bad compression, consuming all the available CPU resources, leading to a denial-of-service condition.
The following products that utilize FactoryTalk Linx Software are affected:
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FactoryTalk Linx: 6.00 - 6.11
RSLinx Classic: 4.11.00
External links
http://ics-cert.us-cert.gov/advisories/icsa-20-163-02
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.