Django 1.9.0/1.9.1 Change Permission save_as=True access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Django 1.9.0/1.9.1. This affects an unknown part of the component Change Permission Handler. Executing a manipulation of the argument save_as=True can lead to access control. The identification of this vulnerability is CVE-2016-2048. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.
Details
A vulnerability was found in Django 1.9.0/1.9.1 (Content Management System). It has been declared as problematic. This vulnerability affects an unknown code block of the component Change Permission Handler. The manipulation of the argument save_as=True with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was shared 02/01/2016 by Myk Willis as Django releases issued: 1.9.2 (security) and 1.8.9 (bugfix) as confirmed news (Website). The advisory is shared for download at djangoproject.com. This vulnerability was named CVE-2016-2048 since 01/24/2016. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 89009 (FreeBSD : django -- regression in permissions model (6b1d8a39-ddb3-11e5-8fa8-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171062 (OpenSUSE Security Update for python3-Django (openSUSE-SU-2018:0824-1)).
Upgrading to version 1.9.2 eliminates this vulnerability. It is possible to mitigate the problem by applying the configuration setting save_as=False. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (89009), SecurityFocus (BID 82329†), SecurityTracker (ID 1034894†) and Vulnerability Center (SBV-57431†). Once again VulDB remains the best source for vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 89009
Nessus Name: FreeBSD : django -- regression in permissions model (6b1d8a39-ddb3-11e5-8fa8-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Django 1.9.2
Config: save_as=False
Timeline
01/24/2016 🔍02/01/2016 🔍
02/01/2016 🔍
02/01/2016 🔍
02/01/2016 🔍
02/01/2016 🔍
02/02/2016 🔍
02/08/2016 🔍
02/29/2016 🔍
03/21/2016 🔍
07/06/2022 🔍
Sources
Advisory: Django releases issued: 1.9.2 (security) and 1.8.9 (bugfix)Researcher: Myk Willis
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-2048 (🔍)
GCVE (CVE): GCVE-0-2016-2048
GCVE (VulDB): GCVE-100-80764
SecurityFocus: 82329 - Django CVE-2016-2048 Security Bypass Vulnerability
SecurityTracker: 1034894
Vulnerability Center: 57431 - Django 1.9-1.9.1 Remote Security Bypass Vulnerability in ModelAdmin, Medium
Entry
Created: 02/02/2016 10:00Updated: 07/06/2022 17:44
Changes: 02/02/2016 10:00 (76), 02/01/2019 14:48 (11), 07/06/2022 17:44 (3)
Complete: 🔍
Cache ID: 216:644:103
Once again VulDB remains the best source for vulnerability data.
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