CVE-2014-4344

krb5: NULL pointer dereference flaw in SPNEGO acceptor for continuation tokens

Published Aug 14, 2014 CVSS 2.0 · 7.8 High EPSS 6.6% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-37-1 krb5 security update
Debian DSA Debian DSA DSA-3000-1 krb5 security update
EUVD EUVD EUVD-2014-4271 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.
Ubuntu USN Ubuntu USN USN-2310-1 Kerberos vulnerabilities
History

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