CVE-2019-6135 : What You Need to Know

A memory leak vulnerability was discovered in the libIEC61850 v1.3.1 software library, specifically in the Memory_malloc function. This issue affects the Asn1PrimitiveValue_create function, leading to memory leaks in certain files.

Understanding CVE-2019-6135

This CVE involves a memory leak vulnerability in the libIEC61850 v1.3.1 software library.

What is CVE-2019-6135?

The vulnerability exists in the Memory_malloc function within the libIEC61850 library, causing memory leaks when called from the Asn1PrimitiveValue_create function in specific files.

The Impact of CVE-2019-6135

The memory leak vulnerability can potentially be exploited by attackers to cause denial of service or other malicious activities.

Technical Details of CVE-2019-6135

This section provides technical details about the vulnerability.

Vulnerability Description

The issue resides in the Memory_malloc function in the libIEC61850 v1.3.1 software library, leading to memory leaks when invoked from the Asn1PrimitiveValue_create function in certain files.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by triggering the Memory_malloc function from the Asn1PrimitiveValue_create function in specific files like goose_publisher_example.c and iec61850_9_2_LE_example.c.

Mitigation and Prevention

Protecting systems from the CVE-2019-6135 vulnerability is crucial.

Immediate Steps to Take

Monitor for any unusual memory consumption patterns.
Consider implementing memory leak detection tools.
Apply security patches or updates provided by the software vendor.

Long-Term Security Practices

Conduct regular security audits to identify and address memory-related vulnerabilities.
Educate developers on secure coding practices to prevent memory leaks.

Patching and Updates

Stay informed about patches or updates released by the libIEC61850 library maintainers.