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    CVE-2013-7423

    The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended locations via a large number of requests that trigger a call to the getaddrinfo function.

    Published:Sep 12, 2013
    Last Modified:Apr 12, 2025
    EPS:Feb 24, 2015
    EPSS Score:0.03151
    CVSS Score:5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html
    http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html
    http://rhn.redhat.com/errata/RHSA-2015-0863.html
    http://seclists.org/fulldisclosure/2021/Sep/0
    http://www.openwall.com/lists/oss-security/2015/01/28/20
    http://www.securityfocus.com/bid/72844
    http://www.ubuntu.com/usn/USN-2519-1
    https://access.redhat.com/errata/RHSA-2016:1207
    https://github.com/golang/go/issues/6336
    https://security.gentoo.org/glsa/201602-02
    https://sourceware.org/bugzilla/show_bug.cgi?id=15946
    http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html
    http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html
    http://rhn.redhat.com/errata/RHSA-2015-0863.html
    http://seclists.org/fulldisclosure/2021/Sep/0
    http://www.openwall.com/lists/oss-security/2015/01/28/20
    http://www.securityfocus.com/bid/72844
    http://www.ubuntu.com/usn/USN-2519-1
    https://access.redhat.com/errata/RHSA-2016:1207
    https://github.com/golang/go/issues/6336
    https://security.gentoo.org/glsa/201602-02
    https://sourceware.org/bugzilla/show_bug.cgi?id=15946

    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