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Ubuntu 14.04 ESM: USN-4011-2 Moderate: Jinja2 Escape Issues

ubuntu
Calendar Grey June 6, 2019
Dist Ubuntu Esm H88
Patches issued addressing Jinja2 vulnerabilities on Ubuntu 12.04 and 14.04. Update your machines to reduce exposure to threats promptly.
Several security issues were fixed in Jinja2.

Summary

Several security issues were fixed in Jinja2.

Software Description:

- jinja2: small but fast and easy to use stand-alone template engine

Details:

USN-4011-1 fixed several vulnerabilities in Jinja2. This update

provides the corresponding update for Ubuntu 12.04 ESM  and Ubuntu

14.04 ESM.

Original advisory details:

 Olivier Dony discovered that Jinja incorrectly handled str.format. An

 attacker could possibly use this issue to escape the sandbox.

 (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 14.04 ESM:
  python-jinja2                   2.7.2-2ubuntu0.1~esm1
  python3-jinja2                  2.7.2-2ubuntu0.1~esm1

Ubuntu 12.04 ESM:
  python-jinja2                   2.6-1ubuntu0.2
  python3-jinja2                  2.6-1ubuntu0.2

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

References

  https://ubuntu.com/security/notices/USN-4011-2

  https://ubuntu.com/security/notices/USN-4011-1

  CVE-2016-10745, CVE-2019-10906

June 06, 2019

Package Information

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