Heap-based buffer overflow in ThinServer and ThinManager - CVE-2022-38742

Vulnerability details

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.

Affected software

How to mitigate CVE-2022-38742

External References

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

Related Security Bulletins

• Heap-based buffer overflow in Rockwell Automation ThinManager and ThinServer