#VU34103 Heap-based buffer overflow in WebAccess HMI Designer - CVE-2020-16207
Published: August 7, 2020 / Updated: August 11, 2020
Vulnerability identifier: #VU34103
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-16207
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WebAccess HMI Designer
WebAccess HMI Designer
Software vendor:
Advantech Co., Ltd
Advantech Co., Ltd
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing PM3 files. A remote attacker can trick a victim to open a specially crafted project file, trigger 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.
Remediation
Install updates from vendor's website.
External links
- https://us-cert.cisa.gov/ics/advisories/icsa-20-219-02
- https://www.zerodayinitiative.com/advisories/ZDI-20-950/
- https://www.zerodayinitiative.com/advisories/ZDI-20-951/
- https://www.zerodayinitiative.com/advisories/ZDI-20-955/
- https://www.zerodayinitiative.com/advisories/ZDI-20-958/
- https://www.zerodayinitiative.com/advisories/ZDI-20-959/