SB2019061105 - Multiple vulnerabilities in Adobe ColdFusion

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Arbitrary file upload (CVE-ID: CVE-2019-7838)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to an error when processing file uplaods. A remote attacker can bypass file extensions blacklist, upload and execute arbitrary file on the server.

Note: exploitation of this vulnerability is possible if file upload directory is web accessible.

2) OS Command Injection (CVE-ID: CVE-2019-7839)

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

The vulnerability exists due to unknown error when processing requests. A remote unauthenticated attacker can send a specially crafted request to the application and execute arbitrary OS commands on the target system.

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

3) Deserialization of Untrusted Data (CVE-ID: CVE-2019-7840)

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.

Remediation

Install update from vendor's website.

References

• https://helpx.adobe.com/security/products/coldfusion/apsb19-27.html