CVE-2020-14163 Use after free in n/a
A use-after-free vulnerability in JerryScript allows attackers to cause memory corruption, potentially leading to code execution or denial of service.
- 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-2020-14163?
CVE-2020-14163 is a high-severity use after free vulnerability in Jerryscript Jerryscript, published on 15 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in ecma/operations/ecma-container-object.c in JerryScript 2.2.0. Operations with key/value pairs did not consider the case where garbage collection is triggered after the key operation but before the value operation, as demonstrated by improper read access to memory in ecma_gc_set_object_visited in ecma/base/ecma-gc.c.
Weakness: CWE-125
Which versions are affected by CVE-2020-14163?
It affects 1 product.
Products include Jerryscript Jerryscript.
How do I fix CVE-2020-14163?
No fix has been published for CVE-2020-14163 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-14163 being exploited?
There is no known exploitation of CVE-2020-14163 in the wild and no public exploit code.
Other vulnerabilities in Jerryscript Jerryscript
Sources
Also known as GHSA-rm6r-v2w5-2q4r.