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Ubuntu 18.04 LTS and 16.04 LTS: USN-4655-1 Critical Python-Werkzeug Issues

ubuntu
Calendar Grey December 1, 2020
Dist Ubuntu Esm H88
Critical security patches for python-werkzeug have been issued for Ubuntu 18.04 and 16.04 LTS. Users should update their systems immediately to avoid risks
Several security issues were fixed in Werkzeug.

Summary

Several security issues were fixed in Werkzeug.

Software Description:

- python-werkzeug: collection of utilities for WSGI applications (Python 2.x)

Details:

It was discovered that Werkzeug has insufficient debugger PIN randomness.

An attacker could use this issue to access sensitive information. This issue only

affected Ubuntu 18.04 LTS. (CVE-2019-14806)

It was discovered that Werkzeug incorrectly handled certain URLs.

An attacker could possibly use this issue to cause pishing attacks.

This issue only affected Ubuntu 16.04 LTS. (CVE-2020-28724)

Topics%20covered

Topics Covered

security advisory critical information disclosure ubuntu attack vector python-werkzeug debugger security

Update Instructions

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

Ubuntu 18.04 LTS:
  python-werkzeug                 0.14.1+dfsg1-1ubuntu0.1
  python3-werkzeug                0.14.1+dfsg1-1ubuntu0.1

Ubuntu 16.04 LTS:
  python-werkzeug                 0.10.4+dfsg1-1ubuntu1.2
  python3-werkzeug                0.10.4+dfsg1-1ubuntu1.2

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

References

https://ubuntu.com/security/notices/USN-4655-1

CVE-2019-14806, CVE-2020-28724

Severity
critical
Lowest
Low
Medium
High
Critical

December 01, 2020

Topics%20covered

Topics Covered

security advisory critical information disclosure ubuntu attack vector python-werkzeug debugger security

Package Information

https://launchpad.net/ubuntu/+source/python-werkzeug/0.14.1+dfsg1-1ubuntu0.1
https://launchpad.net/ubuntu/+source/python-werkzeug/0.10.4+dfsg1-1ubuntu1.2

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