CVE-2020-23308 Denial of service in n/a
A reachable assertion failure in JerryScript allows attackers to cause a denial of service via crafted JavaScript input.
- 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-2020-23308?
CVE-2020-23308 is a high-severity denial of service vulnerability in Jerryscript Jerryscript, published on 10 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is an Assertion 'context_p->stack_top_uint8 == LEXER_EXPRESSION_START' at js-parser-expr.c:3565 in parser_parse_expression in JerryScript 2.2.0.
Weakness: CWE-617
Which versions are affected by CVE-2020-23308?
It affects 1 product.
Products include Jerryscript Jerryscript.
How do I fix CVE-2020-23308?
No fix has been published for CVE-2020-23308 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-23308 being exploited?
There is no known exploitation of CVE-2020-23308 in the wild and no public exploit code.
Other vulnerabilities in Jerryscript Jerryscript
Sources
Also known as GHSA-rjr2-7fwp-m54q, UBUNTU-CVE-2020-23308.