1. EXECUTIVE SUMMARY
- CVSS v4 6.9
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Rockwell Automation
- Equipment: 1783-NATR
- Vulnerability: Use of Platform-Dependent Third Party Components
2. RISK EVALUATION
Successful exploitation of this vulnerability could allow an attacker to cause a memory corruption on the product.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of Rockwell Automation 1783-NATR are affected:
- 1783-NATR: All versions prior to 1.007
3.2 VULNERABILITY OVERVIEW
3.2.1 USE OF PLATFORM-DEPENDENT THIRD PARTY COMPONENTS CWE-1103
In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block’s size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.
CVE-2020-28895 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).
A CVSS v4 score has also been calculated for CVE-2020-28895. A base score of 6.9 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N).
3.3 BACKGROUND
- CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
- COUNTRIES/AREAS DEPLOYED: Worldwide
- COMPANY HEADQUARTERS LOCATION:
[…]
Content was cut in order to protect the source.Please visit the source for the rest of the article.This article has been indexed from All CISA AdvisoriesRead the original article: