CVE-2020-7054 Memory corruption in n/a
A heap-based buffer overflow in libIEC61850 allows attackers to execute arbitrary code or cause denial of service via crafted MMS_BIT_STRING data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-7054?
CVE-2020-7054 is a high-severity memory corruption vulnerability in n/a, published on 14 Jan 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
MmsValue_decodeMmsData in mms/iso_mms/server/mms_access_result.c in libIEC61850 through 1.4.0 has a heap-based buffer overflow when parsing the MMS_BIT_STRING data type.
Weakness: CWE-787
Which versions are affected by CVE-2020-7054?
It affects 1 product.
Products include Mz-Automation Libiec61850.
How do I fix CVE-2020-7054?
No fix has been published for CVE-2020-7054 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-7054 being exploited?
There is no known exploitation of CVE-2020-7054 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-g2w3-8w5r-xm44.