CVE-2017-8819

    Dashboard / Vulnerabilities / CVE-2017-8819

    CVE-2017-8819

    Published: 3 Dec 2017Last Modified: 16 Apr 2026

    Summary:

    Details: In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue.

    References: https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516, https://bugs.torproject.org/24244, https://www.debian.org/security/2017/dsa-4054

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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