#VU28486 NULL pointer dereference in JerryScript - CVE-2020-13649
Published: June 1, 2020 / Updated: January 22, 2021
Vulnerability identifier: #VU28486
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-13649
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
JerryScript
JerryScript
Software vendor:
JerryScript
JerryScript
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error during certain out-of-memory conditions in the "parser/js/js-scanner.c" file, as demonstrated by a "scanner_reverse_info_list" NULL pointer dereference and a "scanner_scan_all assertion" failure. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.