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USN-3990-2: urllib3 vulnerability

USN-3990-2: urllib3 vulnerability

python-urllib3 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

Summary

urllib3 could be used to perform a CRLF injection if it received a specially
crafted request.

Software Description

Details

USN-3990-1 fixed a vulnerability in urllib3. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that urllib3 incorrectly stripped certain characters from
requests. A remote attacker could use this issue to perform CRLF injection.
(CVE-2019-11236)

Update instructions

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

Ubuntu 14.04 ESM
python-urllib3 – 1.7.1-1ubuntu4.1+esm1
python3-urllib3 – 1.7.1-1ubuntu4.1+esm1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-3990-2: urllib3 vulnerability

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