Arbitrary file upload in AeroCMS

Published: 2022-04-11 | Updated: 2023-04-19

Risk	Low
Patch available	NO
Number of vulnerabilities	2
CVE-ID	CVE-2022-27061 CVE-2023-29847
CWE-ID	CWE-434 CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	AeroCMS Web applications / CMS
Vendor	AeroCMS

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated 19.04.2023

Added vulnerability #2

1) Arbitrary file upload

EUVDB-ID: #VU62054

Risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-27061

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the Post Image function under the Admin panel. A remote administrator can upload a malicious file and execute it on the server.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

AeroCMS: 0.0.1

External links

http://drive.google.com/file/d/1PdF7gTUt_QuU2ObS9YUVew6orHaho-QF/view?usp=sharing
http://github.com/D4rkP0w4r/AeroCMS-Unrestricted-File-Upload-POC
http://packetstormsecurity.com/files/166659/AeroCMS-0.0.1-Shell-Upload.html

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.

2) Stored cross-site scripting

EUVDB-ID: #VU75322

Risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-29847

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 in the comment_author and comment_content parameters at /post.php. 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.