SB2021021824 - Ubuntu update for shiro



SB2021021824 - Ubuntu update for shiro

Published: February 18, 2021

Security Bulletin ID SB2021021824
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Authentication (CVE-ID: CVE-2020-11989)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests in Apache Shiro with Spring dynamic controllers. A remote attacker can bypass authentication process and gain unauthorized access to the application.


2) Improper Authentication (CVE-ID: CVE-2020-1957)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an authentication bypass when using Apache Shiro with Spring dynamic controllers. A remote attacker can send a specially crafted request and bypass authentication process.


Remediation

Install update from vendor's website.