djangorestframework up to 3.15.1 Template Filter break_long_headers cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in djangorestframework up to 3.15.1. It has been rated as problematic. Affected by this vulnerability is the function break_long_headers of the component Template Filter Handler. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2024-21520. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in djangorestframework up to 3.15.1. Affected by this vulnerability is the function break_long_headers of the component Template Filter Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Versions of the package djangorestframework before 3.15.2 are vulnerable to Cross-site Scripting (XSS) via the break_long_headers template filter due to improper input sanitization before splitting and joining with tags.

It is possible to read the advisory at security.snyk.io. This vulnerability is known as CVE-2024-21520 since 12/22/2023. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 207856 (RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.4 Product Security and Bug Fix Update (Moderate) (RHSA-2024:7312)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.15.2 eliminates this vulnerability. Applying the patch 3b41f0124194430da957b119712978fa2266b642 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (207856). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (Snyk): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 207856
Nessus Name: RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.4 Product Security and Bug Fix Update (Moderate) (RHSA-2024:7312)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: djangorestframework 3.15.2
Patch: 3b41f0124194430da957b119712978fa2266b642

Timelineinfo

12/22/2023 🔍
06/26/2024 +186 days 🔍
06/26/2024 +0 days 🔍
03/22/2025 +269 days 🔍

Sourcesinfo

Advisory: SNYK-PYTHON-DJANGORESTFRAMEWORK-7252137
Status: Confirmed

CVE: CVE-2024-21520 (🔍)
GCVE (CVE): GCVE-0-2024-21520
GCVE (VulDB): GCVE-100-269731

Entryinfo

Created: 06/26/2024 07:45
Updated: 03/22/2025 06:44
Changes: 06/26/2024 07:45 (68), 06/27/2024 13:10 (1), 09/27/2024 23:58 (3), 12/31/2024 11:24 (12), 03/22/2025 06:44 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!