Buffer overflow in WebAccess HMI Designer - #VU52757

 

Buffer overflow in WebAccess HMI Designer - #VU52757

Published: April 29, 2021


Vulnerability identifier: #VU52757
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: N/A
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

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 parsing of PM3 files. A remote attacker can trick a victim to open a specially crafted file or visit a malicious website, trigger memory corruption and execute arbitrary code on the target system.

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


Affected software

WebAccess HMI Designer

Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins