PT-2018-1175 · Advantech · Webaccess Hmi Designer

Steven Seeley · Published 2018-04-24 · Updated 2020-09-29 · CVE-2018-8833

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Advantech WebAccess HMI Designer versions 2.1.7.32 and prior

Description The issue is caused by a heap-based buffer overflow in Advantech WebAccess HMI Designer when processing specially crafted .pm3 files. This may allow a remote attacker to execute arbitrary code.

Recommendations For Advantech WebAccess HMI Designer versions 2.1.7.32 and prior, consider restricting access to the WebAccess HMI Designer until a patch is available to prevent remote code execution. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

BDU:2018-00630

CVE-2018-8833

Affected Products

Webaccess Hmi Designer

References · 8

• https://osv.dev/vulnerability/CVE-2018-8833 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-00630 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-8833 · Security Note
• https://threatpost.ru/three-vulnerabilities-found-in-advantech-webaccess-hmi-designer/25835 · Note
• https://ics-cert.us-cert.gov/advisories/ICSA-18-114-03 · Note
• http://securityfocus.com/bid/103972 · Note
• https://cybersecurity-help.cz/vdb/SB2018042517?affChecked=1 · Note
• https://securitylab.ru/vulnerability/492920.php · Note