Heap-based buffer overflow in Advantech WebAccess - CVE-2020-10638
Published: May 11, 2020 / Updated: May 11, 2020
Vulnerability identifier: #VU27621
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: CVE-2020-10638
CWE-ID: CWE-122
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 BwBacNetJ driver. A remote attacker can trick the victim to visit a specially crafted web page, 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.
Affected software
Advantech WebAccess
How to mitigate CVE-2020-10638
Install update from vendor's website.
Advantech WebAccess - addressed in versions 8.4.4_P0320844, 9.0.0_P0320900