CVE Catalog

CVE-2014-4344

High
Published: Translated: NVD NIST

Summary

The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (krb5) versions 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.

Risk Assessment

An attacker can exploit this vulnerability to remotely disrupt the service, potentially leading to downtime for systems relying on Kerberos.

Recommendation

It is recommended to upgrade to version 1.12.2 or later to mitigate this vulnerability.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS