VDB-97286 · CVE-2016-4043 · GCVE-0-2016-4043

Plone up to 5.1a1 Chameleon access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Plone up to 5.1a1. This affects an unknown part of the component Chameleon. Such manipulation leads to access control. This vulnerability is documented as CVE-2016-4043. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Plone up to 5.1a1 (Content Management System) and classified as critical. Affected by this issue is an unknown function of the component Chameleon. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Chameleon (five.pt) in Plone 5.0rc1 through 5.1a1 allows remote authenticated users to bypass Restricted Python by leveraging permissions to create or edit templates.

The bug was discovered 04/20/2016. The weakness was released 02/24/2017 (oss-sec). The advisory is available at openwall.com. This vulnerability is handled as CVE-2016-4043 since 04/19/2016. The attack may be launched remotely. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 310 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-97285 and VDB-97284. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Not Affected

Plone up to 4.x

Productinfo

Type

Content Management System

Name

Plone

Version

5.1a1

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/19/2016 🔍
04/20/2016 +1 days 🔍
02/24/2017 +310 days 🔍
02/24/2017 +0 days 🔍
02/25/2017 +1 days 🔍
09/02/2020 +1285 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4043 (🔍)
GCVE (CVE): GCVE-0-2016-4043
GCVE (VulDB): GCVE-100-97286
OSVDB: - CVE-2016-4043 - Plone - Security Bypass Issue

See also: 🔍

Entryinfo

Created: 02/25/2017 09:54
Updated: 09/02/2020 13:04
Changes: 02/25/2017 09:54 (59), 09/02/2020 13:04 (2)
Complete: 🔍
Cache ID: 216:7BE:103