CVE-2013-1416

Description

The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.

How to fix CVE-2013-1416

To remediate CVE-2013-1416, upgrade the affected package to a fixed version below.

• Debian/krb5—upgrade to 1.10.1+dfsg-5 or later

Is CVE-2013-1416 being exploited?

Low — EPSS is 2.3%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 1.10.1+dfsg-5

References (1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2013-1416