SB2021080532 - SUSE update for nodejs8



SB2021080532 - SUSE update for nodejs8

Published: August 5, 2021 Updated: September 5, 2022

Security Bulletin ID SB2021080532
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) Prototype pollution (CVE-ID: CVE-2020-7774)

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request and execute arbitrary JavaScript code.



2) Incorrect Regular Expression (CVE-ID: CVE-2021-23362)

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

The vulnerability exists due to insufficient input validation when processing regular expression "shortcutMatch" in the "fromUrl" function. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


3) Incorrect Regular Expression (CVE-ID: CVE-2021-27290)

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

The vulnerability exists due to incorrect processing of SRIs. A remote attacker can pass specially crafted input to the application and perform regular expression denial of service (ReDoS) attack.


Remediation

Install update from vendor's website.