CVE-2013-1740

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    CVE-2013-1740

    Published: 18 Jan 2014Last Modified: 16 Apr 2026

    Summary:

    Details: The ssl_Do1stHandshake function in sslsecur.c in libssl in Mozilla Network Security Services (NSS) before 3.15.4, when the TLS False Start feature is enabled, allows man-in-the-middle attackers to spoof SSL servers by using an arbitrary X.509 certificate during certain handshake traffic.

    References: http://www.ubuntu.com/usn/USN-2088-1, http://www.vmware.com/security/advisories/VMSA-2014-0012.html, https://bugzilla.mozilla.org/show_bug.cgi?id=919877, https://bugzilla.redhat.com/show_bug.cgi?id=1053725, http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html, http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html, http://seclists.org/fulldisclosure/2014/Dec/23, http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html, http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html, http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html, http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html, http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html, http://www.securityfocus.com/archive/1/534161/100/0/threaded, http://www.securityfocus.com/bid/64944, https://bugs.gentoo.org/show_bug.cgi?id=498172, https://developer.mozilla.org/docs/NSS/NSS_3.15.4_release_notes, https://exchange.xforce.ibmcloud.com/vulnerabilities/90394

    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