- Vulnerability/
- USN-4570-1
5/10/2020
USN-4570-1: urllib3 vulnerability
First published: Mon Oct 05 2020(Updated: )
It was discovered that urllib3 incorrectly handled certain character sequences. A remote attacker could possibly use this issue to perform CRLF injection.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/python3-urllib3 | <1.25.8-2ubuntu0.1 | 1.25.8-2ubuntu0.1 |
| =20.04 | ||
| All of | ||
| ubuntu/python-urllib3 | <1.22-1ubuntu0.18.04.2 | 1.22-1ubuntu0.18.04.2 |
| =18.04 | ||
| All of | ||
| ubuntu/python3-urllib3 | <1.22-1ubuntu0.18.04.2 | 1.22-1ubuntu0.18.04.2 |
| =18.04 | ||
| All of | ||
| ubuntu/python-urllib3 | <1.13.1-2ubuntu0.16.04.4 | 1.13.1-2ubuntu0.16.04.4 |
| =16.04 | ||
| All of | ||
| ubuntu/python3-urllib3 | <1.13.1-2ubuntu0.16.04.4 | 1.13.1-2ubuntu0.16.04.4 |
| =16.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2020-26137
- https://launchpad.net/ubuntu/+source/python-urllib3/1.25.8-2ubuntu0.1
- https://launchpad.net/ubuntu/+source/python-urllib3/1.22-1ubuntu0.18.04.2
- https://launchpad.net/ubuntu/+source/python-urllib3/1.13.1-2ubuntu0.16.04.4
- https://ubuntu.com/security/notices/USN-4570-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-4570-1?
The severity of USN-4570-1 is moderate.
How does the urllib3 vulnerability impact my system?
The urllib3 vulnerability could allow a remote attacker to perform CRLF injection.
Which versions of Ubuntu are affected by USN-4570-1?
Ubuntu 16.04, 18.04, and 20.04 are affected by USN-4570-1.
How do I fix the urllib3 vulnerability on Ubuntu 20.04?
To fix the urllib3 vulnerability on Ubuntu 20.04, upgrade the python3-urllib3 package to version 1.25.8-2ubuntu0.1 or higher.
Where can I find more information about the urllib3 vulnerability?
You can find more information about the urllib3 vulnerability on the Ubuntu Security Advisory USN-4570-1 page.
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