DEBIAN-CVE-2010-4021

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    DEBIAN-CVE-2010-4021

    Published: 2 Dec 2010Last Modified: 4 Sept 2026
    Upstream:
    CVE-2010-4021

    Summary:

    Details: The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests, which might allow remote authenticated users to impersonate a client by rewriting an inner request, aka a "KrbFastReq forgery issue."

    References: https://security-tracker.debian.org/tracker/CVE-2010-4021

    Affected packages

    Package

    Name: krb5

    Purl: pkg:deb/debian/krb5?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.8+dfsg~alpha1-1

    Affected versions

    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