National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-3952 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/ Exploit Technical Description Third Party Advisory
https://github.com/web2py/web2py/commit/9706d125b42481178d2b423de245f5d2faadbf40 Third Party Advisory
https://usn.ubuntu.com/4030-1/

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:web2py:web2py:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.14.1


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-3952
NVD Published Date:
02/06/2018
NVD Last Modified:
06/21/2019