CVE-2007-1103

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    CVE-2007-1103

    Published: 26 Feb 2007Last Modified: 10 Apr 2026

    Summary:

    Details: Tor does not verify a node's uptime and bandwidth advertisements, which allows remote attackers who operate a low resource node to make false claims of greater resources, which places the node into use for many circuits and compromises the anonymity of traffic sources and destinations.

    References: http://archives.seul.org/or/talk/Feb-2007/msg00197.html, http://archives.seul.org/or/talk/Feb-2007/msg00200.html, http://archives.seul.org/or/talk/Feb-2007/msg00202.html, http://osvdb.org/45249, http://www.cs.colorado.edu/department/publications/reports/docs/CU-CS-1025-07.pdf

    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