=========================================================================Ubuntu Security Notice USN-5948-2
June 20, 2023
python-werkzeug vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
Summary:
Several security issues were fixed in Werkzeug.
Software Description:
- python-werkzeug: collection of utilities for WSGI applications
Details:
USN-5948-1 fixed vulnerabilities in Werkzeug. This update provides the
corresponding updates for Ubuntu 23.04.
Original advisory details:
It was discovered that Werkzeug did not properly handle the parsing of
nameless cookies. A remote attacker could possibly use this issue to
shadow other cookies. (CVE-2023-23934)
It was discovered that Werkzeug could be made to process unlimited number
of multipart form data parts. A remote attacker could possibly use this
issue to cause Werkzeug to consume resources, leading to a denial of
service. (CVE-2023-25577)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.04:
python3-werkzeug 2.2.2-2ubuntu0.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5948-2
https://ubuntu.com/security/notices/USN-5948-1
CVE-2023-23934, CVE-2023-25577
Package Information:
https://launchpad.net/ubuntu/+source/python-werkzeug/2.2.2-2ubuntu0.1
