VDB-126120 · CVE-2018-17908 · BID 105736

Advantech WebAccess 8.3.2 Access Control access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Advantech WebAccess 8.3.2 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Access Control. The manipulation leads to access control. This vulnerability is known as CVE-2018-17908. An attack has to be approached locally. There is no exploit available. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability, which was classified as critical, was found in Advantech WebAccess 8.3.2 (SCADA Software). Affected is an unknown functionality of the component Access Control. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

WebAccess Versions 8.3.2 and prior. During installation, the application installer disables user access control and does not re-enable it after the installation is complete. This could allow an attacker to run elevated arbitrary code.

The bug was discovered 10/25/2018. The weakness was published 10/28/2018 with Zero Day Initiative (Website). The advisory is shared for download at ics-cert.us-cert.gov. This vulnerability is traded as CVE-2018-17908 since 10/02/2018. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 4 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 371290 (Advantech WebAccess Multiple Security Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105736†). Similar entry is available at VDB-126121. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/02/2018 🔍
10/25/2018 +23 days 🔍
10/25/2018 +0 days 🔍
10/28/2018 +3 days 🔍
10/29/2018 +0 days 🔍
10/30/2018 +1 days 🔍
06/03/2023 +1677 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: ics-cert.us-cert.gov
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2018-17908 (🔍)
GCVE (CVE): GCVE-0-2018-17908
GCVE (VulDB): GCVE-100-126120
SecurityFocus: 105736 - Advantech WebAccess ICSA-18-298-02 WebAccess Multiple Security Vulnerabilities
SecurityTracker: 1041957

See also: 🔍

Entryinfo

Created: 10/30/2018 07:33 AM
Updated: 06/03/2023 02:33 PM
Changes: 10/30/2018 07:33 AM (61), 04/07/2020 04:28 PM (5), 06/03/2023 02:33 PM (3)
Complete: 🔍
Cache ID: 18:947:40

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