critical
10
CWE
119
Advisory Published
CVE Published
CVE Published
Updated

CVE-2007-3999: Buffer Overflow

First published: Mon Aug 06 2007(Updated: )

Stack-based buffer overflow in the svcauth_gss_validate function in lib/rpc/svc_auth_gss.c in the RPCSEC_GSS RPC library (librpcsecgss) in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerberos administration daemon (kadmind) and some third-party applications that use krb5, allows remote attackers to cause a denial of service (daemon crash) and probably execute arbitrary code via a long string in an RPC message.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/0.1.7<15.
15.
MIT Kerberos 5 Application=1.4
MIT Kerberos 5 Application=1.4.1
MIT Kerberos 5 Application=1.4.2
MIT Kerberos 5 Application=1.4.3
MIT Kerberos 5 Application=1.4.4
MIT Kerberos 5 Application=1.5
MIT Kerberos 5 Application=1.5.1
MIT Kerberos 5 Application=1.5.2
MIT Kerberos 5 Application=1.5.3
MIT Kerberos 5 Application=1.6
MIT Kerberos 5 Application=1.6.1
MIT Kerberos 5 Application=1.6.2

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2007-3999?

    CVE-2007-3999 is classified as a high severity vulnerability due to its potential for remote exploitation via a stack-based buffer overflow.

  • How do I fix CVE-2007-3999?

    To fix CVE-2007-3999, update to a patched version of MIT Kerberos 5 beyond 1.6.2 or apply relevant security patches provided by your distribution.

  • Which versions of MIT Kerberos 5 are affected by CVE-2007-3999?

    CVE-2007-3999 affects MIT Kerberos 5 versions 1.4 through 1.6.2.

  • What systems are likely to be impacted by CVE-2007-3999?

    Systems running MIT Kerberos 5 versions 1.4 to 1.6.2, especially those using the RPCSEC_GSS library, are likely to be impacted.

  • Is CVE-2007-3999 exploitable remotely?

    Yes, CVE-2007-3999 is exploitable remotely due to the nature of the buffer overflow vulnerability.

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