Softing OPC UA C++ SDK/uaToolkit Embedded Message double free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Softing OPC UA C++ SDK and uaToolkit Embedded. This vulnerability affects unknown code of the component Message Handler. Such manipulation leads to double free. This vulnerability is referenced as CVE-2021-40873. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Softing OPC UA C++ SDK and uaToolkit Embedded (affected version unknown) and classified as critical. Affected by this issue is an unknown functionality of the component Message Handler. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is availability.
The weakness was published 11/11/2021. The advisory is available at industrial.softing.com. This vulnerability is handled as CVE-2021-40873 since 09/13/2021. The technical details are unknown and an exploit is not available.
Upgrading eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Double freeCWE: CWE-415 / 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
09/13/2021 🔍11/11/2021 🔍
11/11/2021 🔍
11/12/2021 🔍
Sources
Advisory: industrial.softing.comStatus: Confirmed
CVE: CVE-2021-40873 (🔍)
GCVE (CVE): GCVE-0-2021-40873
GCVE (VulDB): GCVE-100-186530
Entry
Created: 11/11/2021 07:32Updated: 11/12/2021 17:54
Changes: 11/11/2021 07:32 (37), 11/12/2021 17:54 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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