NULL pointer dereference vulnerability in SPNEGO acceptor in MIT Kerberos 5 (krb5) before 1.12.2

NULL pointer dereference vulnerability in SPNEGO acceptor in MIT Kerberos 5 (krb5) before 1.12.2

CVE-2014-4344 · HIGH Severity

AV:N/AC:L/AU:N/C:N/I:N/A:C

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.

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