1. Ubuntu Security Notices
  2. USN-4740-1

USN-4740-1: Apache Shiro vulnerabilities

Publication date

18 February 2021

Overview

Apache Shiro could be made to crash if it received specially crafted input.

Releases

Packages

  • shiro - Powerful and easy-to-use Java security framework

Details

It was discovered that Apache Shiro mishandled specially crafted requests. An
attacker could use this vulnerability to bypass authentication mechanisms.

It was discovered that Apache Shiro mishandled specially crafted requests. An
attacker could use this vulnerability to bypass authentication mechanisms.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal libshiro-java –  1.3.2-4ubuntu0.1
18.04 bionic libshiro-java –  1.3.2-3~18.04.1

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References

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