UBUNTU-CVE-2016-3952

    Dashboard / Vulnerabilities / UBUNTU-CVE-2016-3952

    UBUNTU-CVE-2016-3952

    Published: 6 Feb 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2016-3952
    Aliases:
    USN-4030-1

    Summary:

    Details: 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.

    References: https://ubuntu.com/security/CVE-2016-3952, https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/, https://github.com/web2py/web2py/commit/9706d125b42481178d2b423de245f5d2faadbf40, https://ubuntu.com/security/notices/USN-4030-1, https://www.cve.org/CVERecord?id=CVE-2016-3952

    Affected packages

    Package

    Name: web2py

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.12.3-1ubuntu0.1

    Affected versions

    1.99.7-1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High