PT-2023-1648 · B&R · B&R Aprol

Published 2023-02-08 · Updated 2023-02-18 · CVE-2022-43764

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions B&R APROL versions prior to R 4.2-07

Description The issue is related to insufficient validation of input parameters when changing configuration on the Tbase server, which could result in a buffer overflow. This may lead to Denial-of-Service conditions or execution of arbitrary code. The vulnerability can be exploited remotely.

Recommendations For versions prior to R 4.2-07, update to version R 4.2-07 or later to resolve the issue. As a temporary workaround, consider restricting access to the Tbase server configuration to minimize the risk of exploitation.

Fix

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2023-01184

CVE-2022-43764

Affected Products

B&R Aprol

References · 7

• https://osv.dev/vulnerability/CVE-2022-43764 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-01184 · Security Note
• https://br-automation.com/downloads_br_productcatalogue/assets/1674823095245-en-original-1.0.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-43764 · Security Note
• https://t.me/cibsecurity/57764 · Telegram Post
• https://cnews.ru/news/line/2023-03-07_v_sisteme_upravleniya_br_aprol · Note
• https://vuldb.com/?id.220426 · Note