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Vulnerability Details : CVE-2018-7537

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.
Publish Date : 2018-03-09 Last Update Date : 2019-02-28
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 185

- Products Affected By CVE-2018-7537

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 17.10 * * * Version Details Vulnerabilities
4 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
7 Application Djangoproject Django * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 3
Djangoproject Django 1

- References For CVE-2018-7537

https://usn.ubuntu.com/3591-1/
UBUNTU USN-3591-1
https://www.debian.org/security/2018/dsa-4161
DEBIAN DSA-4161
https://access.redhat.com/errata/RHSA-2019:0265
REDHAT RHSA-2019:0265
http://www.securityfocus.com/bid/103357
BID 103357 Django CVE-2018-7537 Multiple Denial of Service Vulnerabilities Release Date:2018-03-06
https://lists.debian.org/debian-lts-announce/2018/03/msg00006.html
MLIST [debian-lts-announce] 20180308 [SECURITY] [DLA 1303-1] python-django security update
https://access.redhat.com/errata/RHSA-2018:2927
REDHAT RHSA-2018:2927
https://www.djangoproject.com/weblog/2018/mar/06/security-releases/ CONFIRM

- Metasploit Modules Related To CVE-2018-7537

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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