PT-2019-3568 · Advantech · Advantech Webaccess Hmi Designer

Code16 · Published 2019-09-25 · Updated 2020-08-24 · CVE-2019-16899

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Advantech WebAccess HMI Designer version 2.1.9.31

Description The issue is related to a buffer overflow in the GetNICInfo function of the CTagInfoThreadBase class. This can be exploited by a remote attacker to cause a denial of service. The vulnerability is associated with the PM V3!CTagInfoThreadBase function.

Recommendations For Advantech WebAccess HMI Designer version 2.1.9.31, consider disabling the GetNICInfo function as a temporary workaround until a patch is available. Restrict access to the CTagInfoThreadBase class to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2019-03770

CVE-2019-16899

Affected Products

Advantech Webaccess Hmi Designer

References · 5

• https://bdu.fstec.ru/vul/2019-03770 · Security Note
• https://osv.dev/vulnerability/CVE-2019-16899 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-16899 · Security Note
• https://code610.blogspot.com/2019/09/crashing-webaccesshmi-designer-21931.html · Note
• http://code610.blogspot.com/2019/09/crashing-webaccesshmi-designer-21931.html · Note