CVE-2019-14232

Description

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. If django.utils.text.Truncator's chars() and words() methods were passed the html=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which were thus vulnerable.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• https://security.archlinux.org/ASA-201908-2
• https://nvd.nist.gov/vuln/detail/CVE-2019-14232
• https://www.openwall.com/lists/oss-security/2023/10/04/6
• https://www.djangoproject.com/weblog/2019/aug/01/security-releases
• https://www.debian.org/security/2019/dsa-4498
• https://security.netapp.com/advisory/ntap-20190828-0002
• https://security.gentoo.org/glsa/202004-17
• https://seclists.org/bugtraq/2019/Aug/15
• https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/5XTP44JEOSNXRVW4JDZXA5XGMBDZLWSW
• https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/3LGJSPCN3VEG2UJPYCUB6TU75JTIV2TQ
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK
• https://groups.google.com/forum/#%21topic/django-announce/jIoju2-KLDs
• https://groups.google.com/forum/#!topic/django-announce/jIoju2-KLDs
• https://github.com/pypa/advisory-db/tree/main/vulns/django/PYSEC-2019-11.yaml
• https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2019-11.yaml
• https://github.com/django/django
• https://github.com/advisories/GHSA-c4qh-4vgv-qc6g
• https://docs.djangoproject.com/en/dev/releases/security
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html
• http://www.openwall.com/lists/oss-security/2023/10/04/6
• http://www.openwall.com/lists/oss-security/2024/03/04/1
• https://www.suse.com/security/cve/CVE-2019-14232.html
• https://www.djangoproject.com/weblog/2019/aug/01/security-releases/