USN-4151-1: Python vulnerabilities
python2.7, python3.5, python3.6, python3.7 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Python.
Software Description
- python2.7 – An interactive high-level object-oriented language
- python3.7 – An interactive high-level object-oriented language
- python3.6 – An interactive high-level object-oriented language
- python3.5 – An interactive high-level object-oriented language
Details
It was discovered that Python incorrectly parsed certain email addresses. A
remote attacker could possibly use this issue to trick Python applications
into accepting email addresses that should be denied. (CVE-2019-16056)
It was discovered that the Python documentation XML-RPC server incorrectly
handled certain fields. A remote attacker could use this issue to execute a
cross-site scripting (XSS) attack. (CVE-2019-16935)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- python2.7 – 2.7.16-2ubuntu0.2
- python2.7-minimal – 2.7.16-2ubuntu0.2
- python3.7 – 3.7.3-2ubuntu0.2
- python3.7-minimal – 3.7.3-2ubuntu0.2
- Ubuntu 18.04 LTS
- python2.7 – 2.7.15-4ubuntu4~18.04.2
- python2.7-minimal – 2.7.15-4ubuntu4~18.04.2
- python3.6 – 3.6.8-1~18.04.3
- python3.6-minimal – 3.6.8-1~18.04.3
- Ubuntu 16.04 LTS
- python2.7 – 2.7.12-1ubuntu0~16.04.9
- python2.7-minimal – 2.7.12-1ubuntu0~16.04.9
- python3.5 – 3.5.2-2ubuntu0~16.04.9
- python3.5-minimal – 3.5.2-2ubuntu0~16.04.9
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-4151-1: Python vulnerabilities
