Advantech WebAccess/SCADA 8.4.0 RPC Call memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Advantech WebAccess and SCADA 8.4.0. This vulnerability affects unknown code of the component RPC Call Handler. The manipulation results in memory corruption. This vulnerability is identified as CVE-2019-3954. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Advantech WebAccess and SCADA 8.4.0 (SCADA Software). Affected is some unknown functionality of the component RPC Call Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.0 allows a remote, unauthenticated attacker to execute arbitrary code by sending a crafted IOCTL 81024 RPC call.

The weakness was released 06/19/2019. This vulnerability is traded as CVE-2019-3954 since 01/03/2019. 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.

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

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: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
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: Memory corruption
CWE: CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2019 🔍
06/19/2019 +167 days 🔍
06/19/2019 +0 days 🔍
10/06/2023 +1570 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: tenable.com
Status: Not defined

CVE: CVE-2019-3954 (🔍)
GCVE (CVE): GCVE-0-2019-3954
GCVE (VulDB): GCVE-100-136656

Entryinfo

Created: 06/19/2019 17:34
Updated: 10/06/2023 13:32
Changes: 06/19/2019 17:34 (35), 06/25/2020 16:31 (18), 10/06/2023 13:32 (3)
Complete: 🔍
Cache ID: 216::103

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