PT-2024-31861 · Mz Automation · Libiec1850

Albert Spruyt + 1 · Published 2024-11-15 · Updated 2024-11-18 · CVE-2024-45969

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 MZ Automation LibIEC1850 versions before commit 7afa40390b26ad1f4cf93deaa0052fe7e357ef33

Description A NULL pointer dereference in the MMS Client of MZ Automation LibIEC1850 allows a malicious server to cause a Denial-of-Service via the MMS InitiationResponse message. This issue can be exploited by a malicious server, leading to a denial-of-service condition.

Recommendations For versions before commit 7afa40390b26ad1f4cf93deaa0052fe7e357ef33, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the MMS Client to minimize the risk of exploitation.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2024-45969

Affected Products

Libiec1850

References · 7

• https://osv.dev/vulnerability/CVE-2024-45969 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-45969 · Security Note
• https://github.com/mz-automation/libiec61850/commit/7afa40390b26ad1f4cf93deaa0052fe7e357ef33 · Note
• https://twitter.com/VulmonFeeds/status/1857617424704565541 · Twitter Post
• https://t.me/cvedetector/11153 · Telegram Post
• https://twitter.com/CVEnew/status/1857557162081620153 · Twitter Post
• https://encs.eu/news/critical-security-vulnerabilities-discovered-in-mz-automations-mms-client · Note