CVE-2019-14233
HIGH severity · CVSS 7.5 · Uncontrolled resource consumption
7.5CVSS HIGH
Summary
An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. Due to the behaviour of the underlying HTMLParser, django.utils.html.strip_tags would be extremely slow to evaluate certain inputs containing large sequences of nested incomplete HTML entities.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://docs.djangoproject.com/en/dev/releases/security/ ↗
Additional information
- NVD record
- https://docs.djangoproject.com/en/dev/releases/security/Patch
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html
- https://groups.google.com/forum/#%21topic/django-announce/jIoju2-KLDs
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK/
- https://seclists.org/bugtraq/2019/Aug/15
- https://security.gentoo.org/glsa/202004-17
- https://security.netapp.com/advisory/ntap-20190828-0002/