PT-2024-27134 · Unknown · Libiec61850

At0Ngmuo · Published 2024-06-11 · Updated 2025-06-18 · CVE-2024-36702

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions libiec61850 version 1.5

Description A heap overflow issue was discovered in the BerEncoder encodeLength function located at /asn1/ber encoder.c. This issue affects the libiec61850 library.

Recommendations For libiec61850 version 1.5, consider restricting access to the BerEncoder encodeLength function until a patch is available. As a temporary workaround, avoid using the function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

CVE-2024-36702

Affected Products

Libiec61850

References · 7

• 🔥 https://github.com/mz-automation/libiec61850/issues/505 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-36702 · Security Note
• https://osv.dev/vulnerability/CVE-2024-36702 · Vendor Advisory
• https://github.com/mz-automation/libiec61850 · Note
• http://libiec61850.com · Note
• https://t.me/cvenotify/126086 · Telegram Post
• https://t.me/cvenotify/82906 · Telegram Post