CVE-2018-7536

Summary

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. The django.utils.html.urlize() function was extremely slow to evaluate certain inputs due to catastrophic backtracking vulnerabilities in two regular expressions (only one regular expression for Django 1.8.x). The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulnerable.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://usn.ubuntu.com/3591-1/
• https://access.redhat.com/errata/RHSA-2019:0051
• https://lists.debian.org/debian-lts-announce/2018/03/msg00006.html
• http://www.securityfocus.com/bid/103361
• https://www.djangoproject.com/weblog/2018/mar/06/security-releases/
• https://access.redhat.com/errata/RHSA-2019:0082
• https://access.redhat.com/errata/RHSA-2018:2927
• https://access.redhat.com/errata/RHSA-2019:0265
• https://www.debian.org/security/2018/dsa-4161
• https://github.com/django/django/commit/1ca63a66ef3163149ad822701273e8a1844192c2
• https://github.com/django/django/commit/abf89d729f210c692a50e0ad3f75fb6bec6fae16
• https://github.com/django/django/commit/e157315da3ae7005fa0683ffc9751dbeca7306c8

References

• https://usn.ubuntu.com/3591-1/
• https://access.redhat.com/errata/RHSA-2019:0051
• https://lists.debian.org/debian-lts-announce/2018/03/msg00006.html
• http://www.securityfocus.com/bid/103361
• https://www.djangoproject.com/weblog/2018/mar/06/security-releases/
• https://access.redhat.com/errata/RHSA-2019:0082
• https://access.redhat.com/errata/RHSA-2018:2927
• https://access.redhat.com/errata/RHSA-2019:0265
• https://www.debian.org/security/2018/dsa-4161
• https://github.com/django/django/commit/1ca63a66ef3163149ad822701273e8a1844192c2
• https://github.com/django/django/commit/abf89d729f210c692a50e0ad3f75fb6bec6fae16
• https://github.com/django/django/commit/e157315da3ae7005fa0683ffc9751dbeca7306c8

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