Flarum up to 1.8.4 /logout redirect

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Flarum up to 1.8.4. Affected by this vulnerability is an unknown functionality of the file /logout. The manipulation results in redirect. This vulnerability is known as CVE-2024-21641. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Flarum up to 1.8.4. It has been classified as problematic. Affected is an unknown functionality of the file /logout. The manipulation with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on integrity. CVE summarizes:

Flarum is open source discussion platform software. Prior to version 1.8.5, the Flarum `/logout` route includes a redirect parameter that allows any third party to redirect users from a (trusted) domain of the Flarum installation to redirect to any link. For logged-in users, the logout must be confirmed. Guests are immediately redirected. This could be used by spammers to redirect to a web address using a trusted domain of a running Flarum installation. The vulnerability has been fixed and published as flarum/core v1.8.5. As a workaround, some extensions modifying the logout route can remedy this issue if their implementation is safe.

The weakness was published 01/06/2024 as GHSA-733r-8xcp-w9mr. The advisory is available at github.com. This vulnerability is traded as CVE-2024-21641 since 12/29/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

Upgrading to version 1.8.5 eliminates this vulnerability. Applying the patch ee8b3b4ad1413a2b0971fdd9e40f812d2a3a9d3a 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Redirect
CWE: CWE-601
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Flarum 1.8.5
Patch: ee8b3b4ad1413a2b0971fdd9e40f812d2a3a9d3a

Timelineinfo

12/29/2023 🔍
01/06/2024 +8 days 🔍
01/06/2024 +0 days 🔍
01/18/2025 +378 days 🔍

Sourcesinfo

Advisory: GHSA-733r-8xcp-w9mr
Status: Confirmed

CVE: CVE-2024-21641 (🔍)
GCVE (CVE): GCVE-0-2024-21641
GCVE (VulDB): GCVE-100-249810

Entryinfo

Created: 01/06/2024 09:24
Updated: 01/18/2025 02:22
Changes: 01/06/2024 09:24 (51), 01/24/2024 15:52 (11), 01/18/2025 02:22 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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