CVE-2020-23311 Denial of service in n/a
A crafted JavaScript input triggers an assertion failure in the JerryScript parser, causing the application to crash.
- 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-2020-23311?
CVE-2020-23311 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->token.type == LEXER_RIGHT_BRACE || context_p->token.type == LEXER_ASSIGN || context_p->token.type == LEXER_COMMA' failed at js-parser-expr.c:3230 in parser_parse_object_initializer in JerryScript 2.2.0.
Weakness: CWE-617
Which versions are affected by CVE-2020-23311?
It affects 1 product.
Products include Jerryscript Jerryscript.
How do I fix CVE-2020-23311?
No fix has been published for CVE-2020-23311 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-2020-23311 being exploited?
There is no known exploitation of CVE-2020-23311 in the wild and no public exploit code.
Other vulnerabilities in Jerryscript Jerryscript
Sources
Also known as GHSA-vj4f-pw6h-mxv3, UBUNTU-CVE-2020-23311.