PT-2022-4741 · Mz Automation+1 · Libiec61850+1

Vera Mens · Published 2021-09-23 · Updated 2024-08-19 · CVE-2022-2971

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions MZ Automation's libIEC61850 versions 1.4 and prior MZ Automation's libIEC61850 version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e

Description The issue is related to accessing a resource using an incompatible type, which could allow an attacker to crash the server with a malicious payload. This could potentially lead to a denial of service.

Recommendations For MZ Automation's libIEC61850 versions 1.4 and prior, update to a version later than 1.4. For MZ Automation's libIEC61850 version 1.5, apply the changes from commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e or later. As a temporary workaround, consider restricting access to the server to minimize the risk of exploitation.

Fix

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

ALT-PU-2021-2864

ALT-PU-2024-11160

BDU:2022-05637

CVE-2022-2971

Affected Products

Alt Linux

Libiec61850

References · 9

• https://osv.dev/vulnerability/CVE-2022-2971 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-2971 · Security Note
• https://bdu.fstec.ru/vul/2022-05637 · Security Note
• https://github.com/mz-automation/libiec61850 · Note
• https://github.com/mz-automation/libiec61850/commit/a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e · Note
• https://t.me/cibsecurity/50361 · Telegram Post
• https://t.me/true_secator/3399 · Telegram Post
• https://cisa.gov/uscert/ics/advisories/icsa-22-251-01 · Note
• https://t.me/cvenotify/36848 · Telegram Post