Debian LTS: Security Advisory for python-django (DLA-2676-1)

Published: 2021-06-06 03:00:07
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Summary:
The remote host is missing an update for the 'python-django' Linux Distribution Package(s) announced via the DLA-2676-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
Two issues were discovered in Django, the Python-based web development framework: * CVE-2021-33203: Potential directory traversal via admindocs Staff members could use the admindocs TemplateDetailView view to check the existence of arbitrary files. Additionally, if (and only if) the default admindocs templates have been customized by the developers to also expose the file contents, then not only the existence but also the file contents would have been exposed. As a mitigation, path sanitation is now applied and only files within the template root directories can be loaded. This issue has low severity, according to the Django security policy. Thanks to Rasmus Lerchedahl Petersen and Rasmus Wriedt Larsen from the CodeQL Python team for the report. * CVE-2021-33571: Possible indeterminate SSRF, RFI, and LFI attacks since validators accepted leading zeros in IPv4 addresses URLValidator, validate_ipv4_address(), and validate_ipv46_address() didn't prohibit leading zeros in octal literals. If you used such values you could suffer from indeterminate SSRF, RFI, and LFI attacks. validate_ipv4_address() and validate_ipv46_address() validators were not affected on Python 3.9.5+. This issue has medium severity, according to the Django security policy.

Affected Versions:
'python-django' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For Debian 9 'Stretch', this problem has been fixed in version 1:1.10.7-2+deb9u14. We recommend that you upgrade your python-django Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2021-33203
https://nvd.nist.gov/vuln/detail/CVE-2021-33571

References:

https://lists.debian.org/debian-lts-announce/2021/06/msg00004.html
https://security-tracker.debian.org/tracker/DLA-2676-1

https://bugs.debian.org/989394

Severity
Medium
CVSS Score
5.0
Published
2021-06-06
Modified
2021-06-07
Category
Debian Local Security Checks

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