[USN-5948-2] Werkzeug vulnerabilities

Fabian Toepfer fabian.toepfer at canonical.com
Tue Jun 20 22:24:10 UTC 2023

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


Several security issues were fixed in Werkzeug.

Software Description:
- python-werkzeug: collection of utilities for WSGI applications


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.

   CVE-2023-23934, CVE-2023-25577

Package Information:

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 840 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20230621/78b83f44/attachment-0001.sig>

More information about the ubuntu-security-announce mailing list