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Ubuntu 22.04 LTS USN-5625-1 Critical: Mako Denial Of Service

ubuntu
Calendar Grey September 21, 2022
Dist Ubuntu Esm H88
Ubuntu Security Advisory USN-5625-1 highlights a severe vulnerability in mako that leads to potential denial of service. Ensure to apply the latest updates to mitigate risks.
Mako could be made to denial of service if it received a specially crafted regular expression.

Summary

Mako could be made to denial of service if it received a

specially crafted regular expression.

Software Description:

- mako: documentation for the Mako Python library

Details:

It was discovered that Mako incorrectly handled certain regular expressions.

An attacker could possibly use this issue to cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu service disruption mako

Update Instructions

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

Ubuntu 22.04 LTS:
  python3-mako                    1.1.3+ds1-2ubuntu0.1

Ubuntu 20.04 LTS:
  python-mako                     1.1.0+ds1-1ubuntu2.1
  python3-mako                    1.1.0+ds1-1ubuntu2.1

Ubuntu 18.04 LTS:
  python-mako                     1.0.7+ds1-1ubuntu0.2
  python3-mako                    1.0.7+ds1-1ubuntu0.2

Ubuntu 16.04 ESM:
  python-mako                     1.0.3+ds1-1ubuntu1+esm1
  python3-mako                    1.0.3+ds1-1ubuntu1+esm1

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

References

https://ubuntu.com/security/notices/USN-5625-1

CVE-2022-40023

Severity
critical
Lowest
Low
Medium
High
Critical

September 21, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu service disruption mako

Package Information

https://launchpad.net/ubuntu/+source/mako/1.1.3+ds1-2ubuntu0.1
https://launchpad.net/ubuntu/+source/mako/1.1.0+ds1-1ubuntu2.1
https://launchpad.net/ubuntu/+source/mako/1.0.7+ds1-1ubuntu0.2

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