Multiple vulnerabilities in Discourse



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2024-35227
CVE-2024-36113
CVE-2024-35234
CWE-ID CWE-20
CWE-285
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Discourse
Web applications / Forum & blogging software

Vendor Civilized Discourse Construction Kit, Inc.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU93752

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35227

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within Onebox. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Discourse: 3.2.0 beta1 - 3.3.0 beta2

CPE2.3 External links

http://github.com/discourse/discourse/security/advisories/GHSA-664f-xwjw-752c
http://github.com/discourse/discourse/commit/10afe5fcf1ebf2e49cb80716d5e62e184c53519b
http://github.com/discourse/discourse/commit/6ce5673d2c1a511b602e1b2ade6cdc898d14ab36


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Improper Authorization

EUVDB-ID: #VU93790

Risk: Low

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-36113

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote user to bypass authorization checks.

The vulnerability exists due to improper authorization in global search. A remote administrator can suspend other staff users preventing them from logging in to the site.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Discourse: 3.2.0 beta1 - 3.3.0 beta2

CPE2.3 External links

http://github.com/discourse/discourse/security/advisories/GHSA-3w3f-76p7-3c4g
http://github.com/discourse/discourse/commit/8470546f59b04bd82ce9b711406758fd5439936d
http://github.com/discourse/discourse/commit/9c4a5f39d3ad351410a1453ff5e5f7ffce17cd7e


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

3) Stored cross-site scripting

EUVDB-ID: #VU93764

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35234

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within Facebook Oneboxes. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Discourse: 3.2.0 beta1 - 3.3.0 beta2

CPE2.3 External links

http://github.com/discourse/discourse/security/advisories/GHSA-5chg-hm8c-wc58
http://github.com/discourse/discourse/commit/26aef0c288839378b9de5819e96eac8cf4ea60fd
http://github.com/discourse/discourse/commit/311b737c910cf0a69f61e1b8bc0b78374b6619d2


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



###SIDEBAR###