USN-4011-1: Jinja2 vulnerabilities
jinja2 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Jinja2.
Software Description
- jinja2 – small but fast and easy to use stand-alone template engine
Details
Olivier Dony discovered that Jinja incorrectly handled str.format. An
attacker could possibly use this issue to escape the sandbox. This issue
only affected Ubuntu 16.04 LTS. (CVE-2016-10745)
Brian Welch discovered that Jinja incorrectly handled str.format_map. An
attacker could possibly use this issue to escape the sandbox.
(CVE-2019-10906)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- python-jinja2 – 2.10-1ubuntu0.19.04.1
- python3-jinja2 – 2.10-1ubuntu0.19.04.1
- Ubuntu 18.10
- python-jinja2 – 2.10-1ubuntu0.18.10.1
- python3-jinja2 – 2.10-1ubuntu0.18.10.1
- Ubuntu 18.04 LTS
- python-jinja2 – 2.10-1ubuntu0.18.04.1
- python3-jinja2 – 2.10-1ubuntu0.18.04.1
- Ubuntu 16.04 LTS
- python-jinja2 – 2.8-1ubuntu0.1
- python3-jinja2 – 2.8-1ubuntu0.1
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-4011-1: Jinja2 vulnerabilities
