An IPython security update has been released for Ubuntu Linux 14.04 ESM, 18.04 LTS, and 20.04 LTS.

USN-5953-1: IPython vulnerabilities

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Ubuntu Security Notice USN-5953-1
March 15, 2023

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in IPython.

Software Description:
- ipython: Enhanced interactive Python 3 shell

Details:

It was discovered that IPython incorrectly processed REST API POST requests.
An attacker could possibly use this issue to launch a cross-site request
forgery (CSRF) attack and leak user's sensitive information. This issue
only affected Ubuntu 14.04 ESM. (CVE-2015-5607)

It was discovered that IPython did not properly manage cross user temporary
files. A local attacker could possibly use this issue to execute arbitrary
code. This issue only affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM.
(CVE-2022-21699)

Update instructions:

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

Ubuntu 20.04 LTS:
ipython3 7.13.0-1ubuntu0.1~esm1
python3-ipython 7.13.0-1ubuntu0.1~esm1

Ubuntu 18.04 LTS:
ipython 5.5.0-1ubuntu0.1~esm1
ipython3 5.5.0-1ubuntu0.1~esm1
python-ipython 5.5.0-1ubuntu0.1~esm1
python3-ipython 5.5.0-1ubuntu0.1~esm1

Ubuntu 14.04 ESM:
ipython 1.2.1-2ubuntu0.1~esm1
ipython-notebook 1.2.1-2ubuntu0.1~esm1
ipython-notebook-common 1.2.1-2ubuntu0.1~esm1
ipython3 1.2.1-2ubuntu0.1~esm1
ipython3-notebook 1.2.1-2ubuntu0.1~esm1

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

References:
  https://ubuntu.com/security/notices/USN-5953-1
CVE-2015-5607, CVE-2022-21699

Package Information: