PT-2017-12658 · Advantech · Advantech Webaccess

Published 2017-08-30 · Updated 2019-10-09 · CVE-2017-12704

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Advantech WebAccess versions prior to V8.2 20170817

Description A heap-based buffer overflow issue was discovered due to a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer. This could allow an attacker to execute arbitrary code under the context of the process.

Recommendations For Advantech WebAccess versions prior to V8.2 20170817, update to version V8.2 20170817 or later to resolve the issue. As a temporary workaround, consider restricting the input of user-supplied data to prevent exploitation until a patch is applied.

Fix

Buffer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-119

CWE-122

Related Identifiers

CVE-2017-12704

Affected Products

Advantech Webaccess

References · 4

• https://osv.dev/vulnerability/CVE-2017-12704 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-12704 · Security Note
• https://ics-cert.us-cert.gov/advisories/ICSA-17-241-02 · Note
• http://securityfocus.com/bid/100526 · Note