SB2020060108 - Multiple vulnerabilities in JerryScript

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020060108

SB2020060108 - Multiple vulnerabilities in JerryScript

Published: June 1, 2020 Updated: January 22, 2021

Security Bulletin ID SB2020060108
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2020-13649)

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.


2) Resource exhaustion (CVE-ID: CVE-2020-13623)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within a proxy operation. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


3) Reachable Assertion (CVE-ID: CVE-2020-13622)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion when property key query for a Proxy object returns unintended data. A remote attacker can cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.

References