CVE-2020-14937 Memory corruption in n/a
Out-of-bounds memory access in Contiki-NG's SNMP BER encoder/decoder allows attackers to cause crashes or execute arbitrary code.
- 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-2020-14937?
CVE-2020-14937 is a critical memory corruption vulnerability in n/a, published on 18 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory access out of buffer boundaries issues was discovered in Contiki-NG 4.4 through 4.5, in the SNMP BER encoder/decoder. The length of provided input/output buffers is insufficiently verified during the encoding and decoding of data. This may lead to out-of-bounds buffer read or write access in BER decoding and encoding functions.
Which versions are affected by CVE-2020-14937?
It affects 1 product.
Products include Contiki-Ng Contiki-Ng.
How do I fix CVE-2020-14937?
No fix has been published for CVE-2020-14937 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-2020-14937 being exploited?
There is no known exploitation of CVE-2020-14937 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vjv3-cq6j-9224.