CVE-2012-5662

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    CVE-2012-5662

    Published: 27 May 2014Last Modified: 10 Apr 2026

    Summary:

    Details: x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

    References: http://secunia.com/advisories/52650, https://bugzilla.redhat.com/show_bug.cgi?id=889373, http://osvdb.org/91572, http://sourceforge.net/projects/x3270/files/x3270/3.3.12ga12/, https://exchange.xforce.ibmcloud.com/vulnerabilities/82984

    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