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USN-6473-1: urllib3 vulnerabilities

7 November 2023

Several security issues were fixed in urllib3.

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Details

It was discovered that urllib3 didn't strip HTTP Authorization header
on cross-origin redirects. A remote attacker could possibly use this
issue to obtain sensitive information. This issue only affected
Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-25091)

It was discovered that urllib3 didn't strip HTTP Cookie header on
cross-origin redirects. A remote attacker could possibly use this
issue to obtain sensitive information. (CVE-2023-43804)

It was discovered that urllib3 didn't strip HTTP body on status code
303 redirects under certain circumstances. A remote attacker could
possibly use this issue to obtain sensitive information. (CVE-2023-45803)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.10
Ubuntu 23.04
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

Related notices

  • USN-6473-2: python-pip-whl, python3-pip, python3-pip-whl, python-pip