CVE-2011-2500

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    CVE-2011-2500

    Published: 15 Feb 2014Last Modified: 10 Apr 2026

    Summary:

    Details: The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.

    References: http://rhn.redhat.com/errata/RHSA-2011-1534.html, https://bugzilla.redhat.com/show_bug.cgi?id=716949, http://marc.info/?l=linux-nfs&m=130875695821953&w=2, http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/, http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download

    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-2011-2500 | CVE-DB