==========================================================================
Ubuntu Security Notice USN-4333-2
April 30, 2020
python3.8 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in Python.
Software Description:
– python3.8: Interactive high-level object-oriented language (version 3.8)
Details:
USN-4333-1 fixed vulnerabilities in Python. This update provides
the corresponding update for Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that Python incorrectly stripped certain characters from
requests. A remote attacker could use this issue to perform CRLF injection.
(CVE-2019-18348)
It was discovered that Python incorrectly handled certain HTTP requests.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-8492)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
python3.8 3.8.2-1ubuntu1.1
python3.8-minimal 3.8.2-1ubuntu1.1
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4333-2
https://usn.ubuntu.com/4333-1
CVE-2019-18348, CVE-2020-8492
Package Information:
https://launchpad.net/ubuntu/+source/python3.8/3.8.2-1ubuntu1.1
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