Heap-based Buffer Overflow in libIEC61850 from MZ Automation
CVE-2018-18834

9.8CRITICAL

Key Information:

Vendor

Mz-automation

Status
Libiec61850
Vendor
CVE Published:
30 October 2018

What is CVE-2018-18834?

A vulnerability has been identified in libIEC61850 version 1.3, specifically a heap-based buffer overflow occurring in the BerEncoder_encodeOctetString function located in mms/asn1/ber_encoder.c. This type of vulnerability can lead to unauthorized access or control over affected systems, potentially allowing an attacker to execute arbitrary code or cause a denial of service. It is crucial for users of libIEC61850 to evaluate their implementations and apply necessary updates or mitigations to ensure system integrity.

References

https://github.com/fouzhe/security/tree/master/libiec61850
x_refsource_MISC
https://github.com/mz-automation/libiec61850/issues/81
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.