Stack-based buffer overflow in Advantech WebAccess - #VU27652
Published: May 11, 2020
Vulnerability identifier: #VU27652
CSH Severity: High
CVSS v4.0: 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: N/A
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Advantech Co., Ltd
Affected software:
Advantech WebAccess
Advantech WebAccess
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within bwscrp.exe when invoked via IOCTL 0x2711. A remote unauthenticated attacker can pass specially crafted data to the application, 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.