Stack-based buffer overflow in Advantech WebAccess - #VU27646

 

Stack-based buffer overflow in Advantech WebAccess - #VU27646

Published: May 11, 2020


Vulnerability identifier: #VU27646
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

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 the implementation of IOCTL 0x00005241 in DATACORE.exe. 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.

Sources