VDB-112872 · CVE-2016-3952 · GCVE-0-2016-3952

Web2py up to 2.14.0 beautify Environment Variable credentials management

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Web2py up to 2.14.0 and classified as problematic. Affected by this issue is some unknown functionality of the file examples/template_examples/beautify. The manipulation results in credentials management (Environment Variable). This vulnerability is reported as CVE-2016-3952. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Web2py up to 2.14.0. Affected is an unknown code of the file examples/template_examples/beautify. The manipulation with an unknown input leads to a credentials management vulnerability (Environment Variable). CWE is classifying the issue as CWE-255. This is going to have an impact on confidentiality. CVE summarizes:

web2py before 2.14.1, when using the standalone version, allows remote attackers to obtain environment variable values via a direct request to examples/template_examples/beautify. NOTE: this issue can be leveraged by remote attackers to gain administrative access.

The bug was discovered 04/05/2016. The weakness was disclosed 02/06/2018 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2016-3952 since 04/05/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1552.

The vulnerability was handled as a non-public zero-day exploit for at least 672 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.14.1 eliminates this vulnerability.

The entries VDB-112875, VDB-112874 and VDB-112873 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Web2py

Version

License

open-source

Website

Product: https://github.com/web2py/web2py/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Environment Variable
Class: Credentials management / Environment Variable
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web2py 2.14.1
Patch: github.com

Timelineinfo

04/05/2016 🔍
04/05/2016 +0 days 🔍
02/06/2018 +672 days 🔍
02/06/2018 +0 days 🔍
02/07/2018 +1 days 🔍
02/03/2023 +1822 days 🔍

Sourcesinfo

Product: github.com

Advisory: 9706d125b42481178d2b423de245f5d2faadbf40
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3952 (🔍)
GCVE (CVE): GCVE-0-2016-3952
GCVE (VulDB): GCVE-100-112872
See also: 🔍

Entryinfo

Created: 02/07/2018 08:24
Updated: 02/03/2023 15:55
Changes: 02/07/2018 08:24 (60), 01/02/2020 07:41 (2), 02/03/2023 15:49 (5), 02/03/2023 15:55 (1)
Complete: 🔍
Cache ID: 216::103

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