Multiple vulnerabilities in Adobe ColdFusion

1) Deserialization of Untrusted Data

EUVDB-ID: #VU73596

Risk: Critical

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-26359

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ColdFusion: 2016 - 2021 Update 5

External links

http://helpx.adobe.com/security/products/coldfusion/apsb23-25.html
http://attackerkb.com/topics/1iRdvtUgtW/cve-2023-26359/rapid7-analysis
http://www.rapid7.com/blog/post/2023/03/21/etr-rapid7-observed-exploitation-of-adobe-coldfusion/

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?

Yes. This vulnerability is being exploited in the wild.

2) Improper access control

EUVDB-ID: #VU73597

Risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-26360

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

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 attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ColdFusion: 2016 - 2021 Update 5

External links

http://helpx.adobe.com/security/products/coldfusion/apsb23-25.html
http://attackerkb.com/topics/1iRdvtUgtW/cve-2023-26359/rapid7-analysis
http://www.rapid7.com/blog/post/2023/03/21/etr-rapid7-observed-exploitation-of-adobe-coldfusion/

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?

Yes. This vulnerability is being exploited in the wild.

3) Path traversal

EUVDB-ID: #VU73598

Risk: Low

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

CVE-ID: CVE-2023-26361

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the copydirectory endpoint. A remote user can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ColdFusion: 2016 - 2021 Update 5

External links

http://helpx.adobe.com/security/products/coldfusion/apsb23-25.html
http://www.zerodayinitiative.com/advisories/ZDI-23-1102/

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.