UBUNTU-CVE-2017-0380

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    UBUNTU-CVE-2017-0380

    Published: 18 Sept 2017Last Modified: 8 Sept 2025
    Upstream:
    CVE-2017-0380

    Summary:

    Details: The rend_service_intro_established function in or/rendservice.c in Tor before 0.2.8.15, 0.2.9.x before 0.2.9.12, 0.3.0.x before 0.3.0.11, 0.3.1.x before 0.3.1.7, and 0.3.2.x before 0.3.2.1-alpha, when SafeLogging is disabled, allows attackers to obtain sensitive information by leveraging access to the log files of a hidden service, because uninitialized stack data is included in an error message about construction of an introduction point circuit.

    References: https://ubuntu.com/security/CVE-2017-0380, https://trac.torproject.org/projects/tor/ticket/23490, https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486, https://www.cve.org/CVERecord?id=CVE-2017-0380

    Affected packages

    Package

    Name: tor

    Purl: pkg:deb/ubuntu/[email protected]~16.04.2?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.2.9.14-1ubuntu1~16.04.2

    Affected versions

    0.2.6.10-1ubuntu2
    0.2.7.6-1ubuntu1
    0.2.9.11-1ubuntu1~16.04.1
    0.2.9.14-1ubuntu1~16.04.1

    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