CWE
120 119
Advisory Published
CVE Published
Updated

CVE-2000-0546: Buffer Overflow

First published: Fri Jun 09 2000(Updated: )

Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Cygnus Network Security
kerbnet
MIT Kerberos 5<4.0
MIT Kerberos 5=4.0
MIT Kerberos 5=4.0-patch10
MIT Kerberos 5>=1.0<=1.0.7
MIT Kerberos 5=1.1
MIT Kerberos 5=1.1.1

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Frequently Asked Questions

  • What is the severity of CVE-2000-0546?

    CVE-2000-0546 is categorized as a denial of service vulnerability which can be exploited remotely.

  • How do I fix CVE-2000-0546?

    To mitigate CVE-2000-0546, it is recommended to upgrade to a non-vulnerable version of the affected Kerberos software.

  • Which versions are affected by CVE-2000-0546?

    CVE-2000-0546 affects multiple versions of Kerberos 4, as well as several versions from the MIT Kerberos 5 suite.

  • What type of attack does CVE-2000-0546 facilitate?

    CVE-2000-0546 facilitates a remote denial of service attack against the Kerberos KDC program.

  • Is CVE-2000-0546 still a threat today?

    CVE-2000-0546 remains a threat for systems still running affected versions of the Kerberos software without remediation.

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