CVE-2014-4344

High

Description

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductMit Kerberos
PublishedAug 14, 2014
First seenAug 14, 2014

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
mit kerberos_51.10, 1.10.1, 1.10.2, 1.10.3, 1.10.4, 1.11, 1.11.1, 1.11.2, 1.11.3, 1.11.4, 1.11.5, 1.12, 1.12.1—
debian debian_linux7.0—
redhat enterprise_linux_desktop7.0—
redhat enterprise_linux_hpc_node7.0—
redhat enterprise_linux_server7.0—
redhat enterprise_linux_workstation7.0—

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