CVE-2011-2769

    Dashboard / Vulnerabilities / CVE-2011-2769

    CVE-2011-2769

    Published: 23 Dec 2011Last Modified: 10 Apr 2026

    Summary:

    Details: Tor before 0.2.2.34, when configured as a bridge, accepts the CREATE and CREATE_FAST values in the Command field of a cell within an OR connection that it initiated, which allows remote relays to enumerate bridges by using these values.

    References: http://www.debian.org/security/2011/dsa-2331, https://blog.torproject.org/blog/tor-02234-released-security-patches, https://blog.torproject.org/blog/tor-02234-released-security-patches

    Affected packages

    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