CVE-2012-3518

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    CVE-2012-3518

    Published: 26 Aug 2012Last Modified: 10 Apr 2026

    Summary:

    Details: The networkstatus_parse_vote_from_string function in routerparse.c in Tor before 0.2.2.38 does not properly handle an invalid flavor name, which allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted (1) vote document or (2) consensus document.

    References: http://secunia.com/advisories/50583, http://security.gentoo.org/glsa/glsa-201301-03.xml, http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html, http://openwall.com/lists/oss-security/2012/08/21/6, https://gitweb.torproject.org/tor.git/commit/55f635745afacefffdaafc72cc176ca7ab817546, https://gitweb.torproject.org/tor.git/commit/57e35ad3d91724882c345ac709666a551a977f0f, https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html, https://trac.torproject.org/projects/tor/ticket/6530

    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-2012-3518 | CVE-DB