Heap-based buffer overflow in Rockwell Automation ThinManager and ThinServer

1) Heap-based buffer overflow

EUVDB-ID: #VU67765

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38742

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the processing of HTTPS traffic. A remote attacker can send a specifically crafted TFTP or HTTPS request, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ThinManager: 11.0.0 - 13.0.0

ThinServer: 11.0.0 - 13.0.0

External links

http://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1136847
http://www.cisa.gov/uscert/ics/advisories/icsa-22-270-03
http://www.zerodayinitiative.com/advisories/ZDI-22-1302/

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.