CVE-2019-19944 Memory corruption in n/a
An out-of-bounds read in libIEC61850 allows attackers to disclose sensitive memory or cause a denial of service via crafted ASN.1 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-2019-19944?
CVE-2019-19944 is a medium-severity memory corruption vulnerability in n/a, published on 23 Dec 2019. 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
In libIEC61850 1.4.0, BerDecoder_decodeUint32 in mms/asn1/ber_decode.c has an out-of-bounds read, related to intLen and bufPos.
Weakness: CWE-125
Which versions are affected by CVE-2019-19944?
It affects 1 product.
Products include Mz-Automation Libiec61850.
How do I fix CVE-2019-19944?
No fix has been published for CVE-2019-19944 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-2019-19944 being exploited?
There is no known exploitation of CVE-2019-19944 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-27gm-h9hm-9289.