PT-2022-14891 · Unknown+1 · Libiec61850+1

Jared Rittle · Published 2022-04-15 · Updated 2024-08-19 · CVE-2022-21159

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions libiec61850 version 1.5.0

Description A denial of service issue exists in the parseNormalModeParameters functionality. It can be triggered by a specially-crafted series of network requests, allowing an attacker to send a sequence of malformed iec61850 messages to cause a denial of service.

Recommendations For version 1.5.0, consider temporarily disabling the parseNormalModeParameters functionality until a patch is available to prevent exploitation. Restrict access to the network to minimize the risk of receiving malformed iec61850 messages.

Exploit

Fix

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALT-PU-2024-11160

CVE-2022-21159

Affected Products

Alt Linux

Libiec61850

References · 6

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1467 · Exploit
• https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721 · Patch
• https://osv.dev/vulnerability/CVE-2022-21159 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-21159 · Security Note
• https://t.me/cvenotify/29022 · Telegram Post
• https://t.me/cibsecurity/40878 · Telegram Post