CVE-2019-6138 : Security Advisory and Response
Discover the impact of CVE-2019-6138, a vulnerability in libIEC61850 v1.3.1 causing memory leaks in specific functions. Learn how to mitigate this issue and prevent potential exploitation.
A problem has been discovered in libIEC61850 v1.3.1, leading to memory leaks in specific functions.
Understanding CVE-2019-6138
What is CVE-2019-6138?
This CVE identifies memory leaks in the functions Memory_malloc and Memory_calloc within libIEC61850 v1.3.1.
The Impact of CVE-2019-6138
The memory leaks occur when these functions are called from various modules, potentially leading to resource exhaustion and instability.
Technical Details of CVE-2019-6138
Vulnerability Description
The issue resides in hal/memory/lib_memory.c, affecting memory allocation functions.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The memory leaks manifest when specific functions are invoked from different modules within the software.
Mitigation and Prevention
Immediate Steps to Take
- Monitor memory usage closely to detect any abnormal spikes.
- Consider limiting the use of the affected functions until a patch is available.
Long-Term Security Practices
- Regularly update the software to the latest version to address known vulnerabilities.
- Conduct thorough code reviews to identify and rectify memory-related issues.
Patching and Updates
Apply patches or updates provided by the software vendor to mitigate the memory leak vulnerability.