Multiple vulnerabilities in October CMS

Published: 2021-08-26 | Updated: 2022-01-19

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-32648 CVE-2021-29487
CWE-ID	CWE-640 CWE-287
Exploitation vector	Network
Public exploit	Vulnerability #1 is being exploited in the wild.
Vulnerable software	October CMS Web applications / CMS
Vendor	OctoberCMS

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Weak Password Recovery Mechanism for Forgotten Password

EUVDB-ID: #VU56118

Risk: High

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2021-32648

CWE-ID: CWE-640 - Weak password recovery mechanism

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected application.

The vulnerability exists due to a weak password recovery mechanism. A remote attacker can send a specially crafted request to the web application, reset password for an arbitrary account and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

October CMS: 1.0.319 - 1.1.4

CPE2.3

External links

https://github.com/octobercms/october/security/advisories/GHSA-mxr5-mc97-63rc/

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 Authentication

EUVDB-ID: #VU56117

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-29487

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process and impersonate another user.

The vulnerability exists due to an error when handling authorization via persist cookies. A remote attacker can impersonate another application user and gain unauthorized access to the application.

Successful exploitation of the vulnerability requires knowledge of the Laravel’s secret key for cookie encryption and signing, and that a targeted user account is logged in during vulnerability exploitation.