PT-2016-4423 · Advantech · Webaccess

Published 2016-01-15 · Updated 2016-12-03 · CVE-2016-0858

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Advantech WebAccess versions prior to 8.1

Description The issue is related to a race condition that allows remote attackers to execute arbitrary code or cause a denial of service via a crafted request, potentially leading to a buffer overflow. This can be exploited through the datacore Service, specifically the datacore.exe, where a strcpy Shared Virtual Memory Overflow can occur, enabling remote code execution.

Recommendations For versions prior to 8.1, update to version 8.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the datacore Service to minimize the risk of exploitation. Avoid using the vulnerable datacore.exe until the issue is resolved.

Fix

RCE

DoS

Race Condition

Buffer Overflow

Weakness Enumeration

CWE-362

CWE-119

Related Identifiers

CVE-2016-0858

ZDI-16-105

Affected Products

Webaccess

References · 5

• https://zerodayinitiative.com/advisories/ZDI-16-105 · Security Note
• https://osv.dev/vulnerability/CVE-2016-0858 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-0858 · Security Note
• https://ics-cert.us-cert.gov/advisories/ICSA-16-014-01 · Note
• http://zerodayinitiative.com/advisories/ZDI-16-105 · Note