CVE-2019-6138 Denial of service in n/a
Memory leaks in libIEC61850 allow attackers to exhaust system resources, causing denial of service in industrial control systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-6138?
CVE-2019-6138 is a high-severity denial of service vulnerability in n/a, published on 11 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue has been found in libIEC61850 v1.3.1. Memory_malloc and Memory_calloc in hal/memory/lib_memory.c have memory leaks when called from mms/iso_mms/common/mms_value.c, server/mms_mapping/mms_mapping.c, and server/mms_mapping/mms_sv.c (via common/string_utilities.c), as demonstrated by iec61850_9_2_LE_example.c.
Weakness: CWE-401
Which versions are affected by CVE-2019-6138?
It affects 1 product.
Products include Mz-Automation Libiec61850.
How do I fix CVE-2019-6138?
No fix has been published for CVE-2019-6138 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-6138 being exploited?
There is no known exploitation of CVE-2019-6138 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6p4p-492r-v39v.