[USN-4084-1] Django vulnerabilities

[Marc Deslauriers]

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Ubuntu Security Notice USN-4084-1
August 01, 2019

python-django vulnerabilities
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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 Django.

Software Description:
- python-django: High-level Python web development framework

Details:

It was discovered that Django incorrectly handled the Truncator function. A
remote attacker could possibly use this issue to cause Django to consume
resources, leading to a denial of service. (CVE-2019-14232)

It was discovered that Django incorrectly handled the strip_tags function.
A remote attacker could possibly use this issue to cause Django to consume
resources, leading to a denial of service. (CVE-2019-14233)

It was discovered that Django incorrectly handled certain lookups in the
PostgreSQL support. A remote attacker could possibly use this issue to
perform SQL injection attacks. (CVE-2019-14234)

It was discovered that Django incorrectly handled certain invalid UTF-8
octet sequences. A remote attacker could possibly use this issue to cause
Django to consume resources, leading to a denial of service.
(CVE-2019-14235)

Update instructions:

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

Ubuntu 19.04:
  python-django                   1:1.11.20-1ubuntu0.2
  python3-django                  1:1.11.20-1ubuntu0.2

Ubuntu 18.04 LTS:
  python-django                   1:1.11.11-1ubuntu1.5
  python3-django                  1:1.11.11-1ubuntu1.5

Ubuntu 16.04 LTS:
  python-django                   1.8.7-1ubuntu5.10
  python3-django                  1.8.7-1ubuntu5.10

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

References:
  https://usn.ubuntu.com/4084-1
  CVE-2019-14232, CVE-2019-14233, CVE-2019-14234, CVE-2019-14235

Package Information:
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.20-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.11-1ubuntu1.5
  https://launchpad.net/ubuntu/+source/python-django/1.8.7-1ubuntu5.10

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