PT-2020-19361 · Unknown+1 · Libiec61850+1

Sleicasper · Published 2020-01-14 · Updated 2024-08-19 · CVE-2020-7054

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions libIEC61850 versions prior to 1.4.1

Description The issue arises from a heap-based buffer overflow in the MmsValue decodeMmsData function when parsing the MMS BIT STRING data type. This occurs in the mms/iso mms/server/mms access result.c file of libIEC61850.

Recommendations For versions prior to 1.4.1, update to version 1.4.1 or later to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2020-3467

ALT-PU-2020-3487

ALT-PU-2024-11160

CVE-2020-7054

Affected Products

Alt Linux

Libiec61850

References · 3

• 🔥 https://github.com/mz-automation/libiec61850/issues/200 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-7054 · Security Note
• https://osv.dev/vulnerability/CVE-2020-7054 · Vendor Advisory