#VU6375 Java deserialization in ColdFusion - CVE-2017-3066

Vulnerability identifier: #VU6375

Vulnerability risk: High

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2017-3066

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
ColdFusion
Server applications / Application servers

Vendor: Adobe

Description

The disclosed vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient sanitization of user-supplied data within Apache BlazeDS. A remote attacker can execute arbitrary Java code on the vulnerable system.

Mitigation
Install updates from vendor's website:
ColdFusion 10 Update 23
ColdFusion 11 Update 12
ColdFusion (2016 release) Update 4

Vulnerable software versions

ColdFusion: 10 Update 1 - 10.0, 11 Update 1 - 11, 2016 Update 1 - 2016

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External links
https://helpx.adobe.com/security/products/coldfusion/apsb17-14.html

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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.