Vulnerability Monitor

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CVE-2013-1417

do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.

Security Impact Summary

CVE-2013-1417 is a security vulnerability that . Impacting 1 product from mit organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-11-20T14:12:44.960

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 3.5 (LOW)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

6.8

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mit	kerberos_5	1.11	Yes
Application	mit	kerberos_5	1.11.1	Yes
Application	mit	kerberos_5	1.11.2	Yes
Application	mit	kerberos_5	1.11.3	Yes

References

http://lists.opensuse.org/opensuse-updates/2013-12/msg00026.html ([email protected])
http://web.mit.edu/kerberos/krb5-1.11/README-1.11.4.txt ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1030743 ([email protected])
https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc Exploit, Patch ([email protected])
http://lists.opensuse.org/opensuse-updates/2013-12/msg00026.html (af854a3a-2127-422b-91ae-364da2661108)
http://web.mit.edu/kerberos/krb5-1.11/README-1.11.4.txt (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1030743 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc Exploit, Patch (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mit's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.