CWE
362
Advisory Published
CVE Published
Updated

CVE-2016-4984: Race Condition

First published: Tue Jun 14 2016(Updated: )

/usr/libexec/openldap/generate-server-cert.sh in openldap-servers sets weak permissions for the TLS certificate, which allows local users to obtain the TLS certificate by leveraging a race condition between the creation of the certificate, and the chmod to protect it.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
OpenLDAP
Red Hat Enterprise Linux=5
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0

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Frequently Asked Questions

  • What is the severity of CVE-2016-4984?

    CVE-2016-4984 is classified with a low severity rating, indicating that while it poses a risk, it requires specific circumstances to be exploited.

  • How do I fix CVE-2016-4984?

    To remediate CVE-2016-4984, ensure that proper permissions are set on the TLS certificate file to prevent unauthorized access.

  • Which versions of OpenLDAP are affected by CVE-2016-4984?

    CVE-2016-4984 affects the OpenLDAP servers package prior to the remediation updates that enforce stronger permissions for TLS certificates.

  • Can local users exploit CVE-2016-4984?

    Yes, local users can exploit CVE-2016-4984 by leveraging a race condition to access the TLS certificate due to weak permission settings.

  • What is the nature of the vulnerability in CVE-2016-4984?

    CVE-2016-4984 involves a race condition during the certificate creation process that allows local users to access the TLS certificate insecurely.

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