CVE-2020-24753 Memory corruption in n/a
Attackers can execute code or cause crashes via crafted CBOR input due to uninitialized stack usage in the oocborrt library.
- 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-2020-24753?
CVE-2020-24753 is a critical memory corruption vulnerability in n/a, published on 17 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A memory corruption vulnerability in Objective Open CBOR Run-time (oocborrt) in versions before 2020-08-12 could allow an attacker to execute code via crafted Concise Binary Object Representation (CBOR) input to the cbor2json decoder. An uncaught error while decoding CBOR Major Type 3 text strings leads to the use of an attacker-controllable uninitialized stack value. This can be used to modify memory, causing a crash or potentially exploitable heap corruption.
Which versions are affected by CVE-2020-24753?
It affects 1 product.
Products include Objective Open Cbor Run-Time Project Objective Open Cbor Run-Time.
How do I fix CVE-2020-24753?
No fix has been published for CVE-2020-24753 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-2020-24753 being exploited?
There is no known exploitation of CVE-2020-24753 in the wild and no public exploit code.
Sources
Also known as GHSA-x7rq-h6hf-g9vh.