CVE-2011-1924

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    CVE-2011-1924

    Published: 14 Jun 2011Last Modified: 10 Apr 2026

    Summary:

    Details: Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list.

    References: http://secunia.com/advisories/43548, http://secunia.com/advisories/44862, https://bugzilla.redhat.com/show_bug.cgi?id=705192, https://gitweb.torproject.org/tor.git/commit/43414eb98821d3b5c6c65181d7545ce938f82c8e, https://lists.torproject.org/pipermail/tor-announce/2011-February/000000.html, https://bugzilla.redhat.com/show_bug.cgi?id=705194, http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061258.html, http://www.securityfocus.com/bid/46618

    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
    CVE-2011-1924 | CVE-DB