CVE-2021-45116

NameCVE-2021-45116
DescriptionAn issue was discovered in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. Due to leveraging the Django Template Language's variable resolution logic, the dictsort template filter was potentially vulnerable to information disclosure, or an unintended method call, if passed a suitably crafted key.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3177-1, ELA-914-1
Debian Bugs1003113

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-django (PTS)jessie, jessie (lts)1.7.11-1+deb8u17vulnerable
stretch (security)1:1.10.7-2+deb9u17vulnerable
stretch (lts), stretch1:1.10.7-2+deb9u23fixed
buster, buster (lts)1:1.11.29-1+deb10u12fixed
buster (security)1:1.11.29-1+deb10u11fixed
bullseye (security), bullseye2:2.2.28-1~deb11u2fixed
bookworm (security), bookworm3:3.2.19-1+deb12u1fixed
trixie3:4.2.16-1fixed
sid3:4.2.17-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-djangosourcestretch1:1.10.7-2+deb9u20ELA-914-1
python-djangosourcebuster1:1.11.29-1+deb10u3DLA-3177-1
python-djangosourcebullseye2:2.2.26-1~deb11u1
python-djangosource(unstable)2:3.2.11-11003113

Notes

[stretch] - python-django <postponed> (Minor issue; fix in next update)
https://www.djangoproject.com/weblog/2022/jan/04/security-releases/
https://github.com/django/django/commit/c7fe895bca06daf12cc1670b56eaf72a1ef27a16 (3.2.11)
https://github.com/django/django/commit/c9f648ccfac5ab90fb2829a66da4f77e68c7f93a (2.2.26)
[jessie] - python-django <ignored> (Minor issue; patch too invasive to backport)

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