VDB-128112 · CVE-2018-18999 · BID 106245

Advantech WebAccess SCADA 8.3.2 on Windows 2008 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Advantech WebAccess SCADA 8.3.2 on Windows 2008. The affected element is an unknown function. The manipulation results in input validation. This vulnerability is reported as CVE-2018-18999. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Advantech WebAccess SCADA 8.3.2 on Windows 2008 (SCADA Software). It has been classified as critical. Affected is an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.

The bug was discovered 12/18/2018. The weakness was disclosed 12/19/2018 by Jacob Baines with Tenable Network Security (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2018-18999 since 11/06/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13377 (Advantech WebAccess Stack Buffer Overflow).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106245†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

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

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2018 🔍
12/18/2018 +42 days 🔍
12/18/2018 +0 days 🔍
12/19/2018 +1 days 🔍
12/19/2018 +0 days 🔍
12/20/2018 +1 days 🔍
04/22/2020 +489 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: securityfocus.com⛔
Researcher: Jacob Baines
Organization: Tenable Network Security
Status: Not defined

CVE: CVE-2018-18999 (🔍)
GCVE (CVE): GCVE-0-2018-18999
GCVE (VulDB): GCVE-100-128112
SecurityFocus: 106245 - Advantech WebAccess/SCADA CVE-2018-18999 Stack Buffer Overflow Vulnerability

Entryinfo

Created: 12/20/2018 07:45
Updated: 04/22/2020 06:56
Changes: 12/20/2018 07:45 (62), 04/22/2020 06:56 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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