#VU83021 Information disclosure in Discourse - CVE-2023-45816


Vulnerability identifier: #VU83021

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-45816

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Discourse
Web applications / Forum & blogging software

Vendor: Civilized Discourse Construction Kit, Inc.

Description

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

The vulnerability exists due to excessive data output by the application. A local attacker can gain access to unread bookmark reminder notifications.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Discourse: 3.0 beta - 3.2.0 beta2


External links
https://github.com/discourse/discourse/security/advisories/GHSA-v9r6-92wp-f6cf
https://github.com/discourse/discourse/commit/2c45b949ea0e9d6fa8e5af2dd07f6521ede08bf1
https://github.com/discourse/discourse/commit/3c5fb871c0f54af47679ae71ad449666b01d8216


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability