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    CVE-2012-0955

    software-properties was vulnerable to a person-in-the-middle attack due to incorrect TLS certificate validation in softwareproperties/ppa.py. software-properties didn't check TLS certificates under python2 and only checked certificates under python3 if a valid certificate bundle was provided. Fixed in software-properties version 0.92.

    Published:Dec 2, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 2, 2020
    EPSS Score:0.00123
    CVSS Score:6.8

    Affected Products

    Vendor
    Canonical
    Product
    Software-properties

    Exploits

    https://launchpad.net/bugs/1036839https://launchpad.net/bugs/1036839

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    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