GitHub Advisory DatabaseGHSA-JH3W-4VVF-MJGRDjango has regular expression denial of service vulnerability in EmailValidator/URLValidator
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:3.1/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
0.001 Low
EPSS
Percentile
49.9%
In Django 3.2 before 3.2.20, 4 before 4.1.10, and 4.2 before 4.2.3, EmailValidator and URLValidator are subject to a potential ReDoS (regular expression denial of service) attack via a very large number of domain name labels of emails and URLs.
References
docs.djangoproject.com/en/4.2/releases/security/
github.com/advisories/GHSA-jh3w-4vvf-mjgr
github.com/django/django/commit/454f2fb93437f98917283336201b4048293f7582
github.com/django/django/commit/ad0410ec4f458aa39803e5f6b9a3736527062dcd
github.com/django/django/commit/b7c5feb35a31799de6e582ad6a5a91a9de74e0f9
github.com/django/django/commit/beb3f3d55940d9aa7198bf9d424ab74e873aec3d
github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-100.yaml
groups.google.com/forum/#!forum/django-announce
groups.google.com/forum/#%21forum/django-announce
lists.debian.org/debian-lts-announce/2023/07/msg00022.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/
lists.fedoraproject.org/archives/list/[email protected]/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/
lists.fedoraproject.org/archives/list/[email protected]/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/
nvd.nist.gov/vuln/detail/CVE-2023-36053
www.debian.org/security/2023/dsa-5465
www.djangoproject.com/weblog/2023/jul/03/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:3.1/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
0.001 Low
EPSS
Percentile
49.9%