Stack-based buffer overflow in Advantech WebAccess - CVE-2019-13556

 

Stack-based buffer overflow in Advantech WebAccess - CVE-2019-13556

Published: September 19, 2019


Vulnerability identifier: #VU21201
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-13556
CWE-ID: CWE-121
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 lack of proper validation of the length of user-supplied data. A remote authenticated attacker can 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.


Affected software

Advantech WebAccess

How to mitigate CVE-2019-13556

Install updates from vendor's website.

Advantech WebAccess - update to 8.4.2

External References

Related Security Bulletins