Advantech WebAccess 5.0/6.0/7.0/7.1 ActiveX Control webvact.ocx IPAddress memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Advantech WebAccess 5.0/6.0/7.0/7.1. This impacts an unknown function of the file webvact.ocx of the component ActiveX Control. This manipulation of the argument IPAddress causes memory corruption. This vulnerability is tracked as CVE-2014-2364. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Advantech WebAccess 5.0/6.0/7.0/7.1 (SCADA Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file webvact.ocx of the component ActiveX Control. The manipulation of the argument IPAddress with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple stack-based buffer overflows in Advantech WebAccess before 7.2 allow remote attackers to execute arbitrary code via a long string in the (1) ProjectName, (2) SetParameter, (3) NodeName, (4) CCDParameter, (5) SetColor, (6) AlarmImage, (7) GetParameter, (8) GetColor, (9) ServerResponse, (10) SetBaud, or (11) IPAddress parameter to an ActiveX control in (a) webvact.ocx, (b) dvs.ocx, or (c) webdact.ocx.

The weakness was disclosed 07/19/2014 by Dave Weinstein (Website). It is possible to read the advisory at ics-cert.us-cert.gov. This vulnerability is known as CVE-2014-2364 since 03/13/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed in Ruby. It is possible to download the exploit at securityfocus.com. It is declared as highly functional.

Upgrading to version 5.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (34757) and SecurityFocus (BID 68714†). The entries VDB-70391, VDB-70390, VDB-70389 and VDB-70388 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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MetaSploit ID: advantech_webaccess_dvs_getcolor.rb
MetaSploit Name: Advantech WebAccess dvs.ocx GetColor Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WebAccess 5.0

Timelineinfo

03/13/2014 🔍
07/18/2014 +127 days 🔍
07/19/2014 +1 days 🔍
07/19/2014 +0 days 🔍
03/26/2015 +250 days 🔍
10/06/2025 +3847 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: 128384
Researcher: Dave Weinstein
Status: Confirmed

CVE: CVE-2014-2364 (🔍)
GCVE (CVE): GCVE-0-2014-2364
GCVE (VulDB): GCVE-100-70387
SecurityFocus: 68714 - Advantech WebAccess CVE-2014-2364 Multiple Remote Stack Based Buffer Overflow Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/26/2015 12:07
Updated: 10/06/2025 21:58
Changes: 03/26/2015 12:07 (63), 03/11/2019 11:44 (1), 03/26/2022 06:37 (3), 08/03/2025 06:33 (17), 10/06/2025 21:58 (8)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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