Veracode Vulnerability DatabaseVERACODE:20969Regular Expression Denial Of Service (ReDoS)
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
Django is vulnerable to regular expression denial of service (ReDoS). The attack is due to lack of validation of inputs to a regular expression in django.utils.text.Truncator’s chars() and words() methods, eventually causing an application crash if the input html=True is provided.
References
lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html
lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html
django.readthedocs.io/en/latest/releases/security.html
docs.djangoproject.com/en/dev/releases/security/
groups.google.com/forum/#!topic/django-announce/jIoju2-KLDs
lists.fedoraproject.org/archives/list/[email protected]/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK/
seclists.org/bugtraq/2019/Aug/15
www.debian.org/security/2019/dsa-4498
www.djangoproject.com/weblog/2019/aug/01/security-releases/
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P