PT-2018-1176 · Advantech · Advantech Webaccess Hmi Designer

Steven Seeley · Published 2018-04-24 · Updated 2019-10-09 · CVE-2018-8835

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 version 2.1.7.32 and prior

Description The issue is caused by double free vulnerabilities when processing specially crafted .pm3 files, which may allow remote code execution. An attacker could exploit this issue by using specially formed .pm3 files to execute arbitrary code remotely.

Recommendations For Advantech WebAccess HMI Designer version 2.1.7.32 and prior, consider avoiding the use of .pm3 files from untrusted sources until a patch is available. As a temporary workaround, restrict access to the functionality that processes .pm3 files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

BDU:2018-00631

CVE-2018-8835

Affected Products

Advantech Webaccess Hmi Designer

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2018-8835 · Security Note
• https://osv.dev/vulnerability/CVE-2018-8835 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-00631 · 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