UBUNTU-CVE-2014-4344

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    UBUNTU-CVE-2014-4344

    Published: 21 Jul 2014Last Modified: 22 Apr 2026
    Upstream:
    CVE-2014-4344
    Aliases:
    USN-2310-1

    Summary:

    Details: The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.

    References: https://ubuntu.com/security/CVE-2014-4344, https://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b, https://ubuntu.com/security/notices/USN-2310-1, https://www.cve.org/CVERecord?id=CVE-2014-4344

    Affected packages

    Package

    Name: krb5

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-2ubuntu4.2?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.12+dfsg-2ubuntu4.2

    Affected versions

    1.10.1+dfsg-6.1ubuntu1

    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