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CVE-2018-7537

Status Candidate

Overview

An issue was discovered in Django 2.0 before 2.0.3, 1.11 before 1.11.11, and 1.8 before 1.8.19. 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.

Related Files

Red Hat Security Advisory 2019-0265-01
Posted Feb 5, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0265-01 - Red Hat Gluster Storage Web Administration includes a fully automated setup based on Ansible and provides deep metrics and insights into active Gluster storage pools by using the Grafana platform. Red Hat Gluster Storage WebAdministration provides a dashboard view which allows an administrator to get a view of overall gluster health in terms of hosts, volumes, bricks, and other components of GlusterFS. Issues addressed include open redirection and other vulnerabilities.

tags | advisory, web, vulnerability
systems | linux, redhat
advisories | CVE-2018-14574, CVE-2018-7536, CVE-2018-7537
MD5 | 4365e7d5957ed74698d42c4ed284dda8
Debian Security Advisory 4161-1
Posted Apr 1, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4161-1 - James Davis discovered two issues in Django, a high-level Python web development framework, that can lead to a denial-of-service attack. An attacker with control on the input of the django.utils.html.urlize() function or django.utils.text.Truncator's chars() and words() methods could craft a string that might stuck the execution of the application.

tags | advisory, web, python
systems | linux, debian
advisories | CVE-2018-7536, CVE-2018-7537
MD5 | baa4d30e80f46f295485a3b682c445a0
Ubuntu Security Notice USN-3591-1
Posted Mar 6, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3591-1 - James Davis discovered that Django incorrectly handled certain template filters. A remote attacker could possibly use this issue to cause Django to consume resources, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2018-7536, CVE-2018-7537
MD5 | 3b9c5f6dfb0058d9e800a5339c271172
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