Stack-based buffer overflow in InTouch Edge HMI and AVEVA Edge - CVE-2018-8840
Published: April 17, 2018 / Updated: April 18, 2018
Vulnerability identifier: #VU11894
CSH Severity: High
CVSS v4.0: 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-2018-8840
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: AVEVA Software, LLC.
Affected software:
InTouch Edge HMI
AVEVA Edge
InTouch Edge HMI
AVEVA Edge
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to stack-based buffer overflow. A remote unauthenticated attacker can send a carefully crafted packet during a tag, alarm, or event related action such as read and write, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-8840
Update to version 8.1 SP1.