Advantech WebAccess up to 8.4.2 RPC Message stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Advantech WebAccess up to 8.4.2. The affected element is an unknown function. Performing a manipulation as part of RPC Message results in stack-based overflow. This vulnerability was named CVE-2019-3951. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Advantech WebAccess up to 8.4.2 (SCADA Software). This affects some unknown processing. The manipulation as part of a RPC Message leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Advantech WebAccess before 8.4.3 allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service (memory corruption) due to a stack-based buffer overflow when handling IOCTL 70533 RPC messages.

The weakness was presented 12/12/2019. This vulnerability is uniquely identified as CVE-2019-3951 since 01/03/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 8.4.3 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Stack-based overflow
CWE: CWE-121 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WebAccess 8.4.3

Timelineinfo

01/03/2019 🔍
12/12/2019 +343 days 🔍
12/13/2019 +1 days 🔍
03/11/2024 +1550 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: tenable.com
Status: Not defined

CVE: CVE-2019-3951 (🔍)
GCVE (CVE): GCVE-0-2019-3951
GCVE (VulDB): GCVE-100-147153

Entryinfo

Created: 12/13/2019 09:09
Updated: 03/11/2024 14:53
Changes: 12/13/2019 09:09 (37), 12/13/2019 09:14 (18), 03/11/2024 14:53 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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