Multiple vulnerabilities in Flarum



Published: 2023-01-20
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-22487
CVE-2023-22488
CWE-ID CWE-284
CWE-862
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Flarum
Web applications / Other software

Vendor Flarum

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU71384

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22487

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and read any post on the forum.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Flarum: 1.0.0 - 1.6.2

External links

http://github.com/flarum/framework/commit/ab1c868b978e8b0d09a5d682c54665dae17d0985
http://github.com/flarum/framework/security/advisories/GHSA-22m9-m3ww-53h3


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Missing Authorization

EUVDB-ID: #VU71385

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22488

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to missing authorization in the notification-sending component. A remote user can obtain sensitive information from notifications.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Flarum: 1.0.0 - 1.6.2

External links

http://github.com/flarum/framework/commit/d0a2b95dca57d3dae9a0d77b610b1cb1d0b1766a
http://github.com/flarum/framework/security/advisories/GHSA-8gcg-vwmw-rxj4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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