#VU55515 Stack-based buffer overflow in HMI3 Control Panel and Nexus Panel - CVE-2021-37164
Published: August 3, 2021
Vulnerability identifier: #VU55515
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-37164
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
HMI3 Control Panel
Nexus Panel
HMI3 Control Panel
Nexus Panel
Software vendor:
Swisslog Healthcare
Swisslog Healthcare
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the tcpTxThread function. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.
External links
- https://www.swisslog-healthcare.com/en-us/customer-care/security-information/cve-disclosures#:~:text=CVE%20Disclosures%20%20%20%20Vulnerability%20Name%20,%20%20CVE-2021-37164%20%204%20more%20rows%20
- https://www.armis.com/PwnedPiper
- https://www.swisslog-healthcare.com
- https://www.swisslog-healthcare.com/-/media/swisslog-healthcare/documents/customer-service/armis-documents/cve-2021-37164-bulletin---off-by-three-stack-overflow-in-tcptxthread.pdf?rev=daf615075c71484c8059c906872a51e6&hash=1FCC1A5D921E231D71E6B95A9AA8B741