Ubuntu 21.04 USN-4962-1 High Risk: Python-Babel Arbitrary Code Execution

ubuntu

May 19, 2021

Babel code be made to execute arbitrary code if it received a specially crafted input.

Summary

Babel code be made to execute arbitrary code if it received a specially

crafted input.

Software Description:

- python-babel: tools for internationalizing Python applications

Details:

It was discovered that Babel incorrectly handled certain inputs.

An attacker could possibly use this issue to execute arbitrary code.

Topics Covered

security advisory arbitrary code execution Ubuntu arbitrary code ubuntu high risk execution issue python-babel

Update Instructions

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

Ubuntu 21.04:
  python-babel-localedata         2.8.0+dfsg.1-6ubuntu0.1
  python3-babel                   2.8.0+dfsg.1-6ubuntu0.1

Ubuntu 20.10:
  python-babel-localedata         2.8.0+dfsg.1-4ubuntu0.1
  python3-babel                   2.8.0+dfsg.1-4ubuntu0.1

Ubuntu 20.04 LTS:
  python-babel                    2.6.0+dfsg.1-1ubuntu2.2
  python-babel-localedata         2.6.0+dfsg.1-1ubuntu2.2
  python3-babel                   2.6.0+dfsg.1-1ubuntu2.2

Ubuntu 18.04 LTS:
  python-babel                    2.4.0+dfsg.1-2ubuntu1.1
  python-babel-localedata         2.4.0+dfsg.1-2ubuntu1.1
  python3-babel                   2.4.0+dfsg.1-2ubuntu1.1

Ubuntu 16.04 ESM:
  python-babel                    1.3+dfsg.1-6ubuntu0.1~esm1
  python-babel-localedata         1.3+dfsg.1-6ubuntu0.1~esm1
  python3-babel                   1.3+dfsg.1-6ubuntu0.1~esm1

Ubuntu 14.04 ESM:
  python-babel                    1.3+dfsg.1-2ubuntu2+esm1
  python-babel-localedata         1.3+dfsg.1-2ubuntu2+esm1
  python3-babel                   1.3+dfsg.1-2ubuntu2+esm1

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