Vulnerability Report

CVE-2017-12704

Title: Advantech Webaccess RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-12704.

CWE Category CWE-119

Published Date Aug 30, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 8.8 CVSS v3.0

Exploit Probability (EPSS)

2.60%

Vulnerability Summary

CVE-2017-12704: A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.

Impacted Vendors

broadwin 1

zarafa 1

advantech 1

Reference Links

http://www.securityfocus.com/bid/100526 https://ics-cert.us-cert.gov/advisories/ICSA-17-241-02 http://www.securityfocus.com/bid/100526 https://ics-cert.us-cert.gov/advisories/ICSA-17-241-02

CVSS v3.0

Source Entity [email protected]

Severity HIGH

8.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns