Vulnerability Monitor

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CVE-2016-3119

The process_db_args function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB module in kadmind in MIT Kerberos 5 (aka krb5) through 1.13.4 and 1.14.x through 1.14.1 mishandles the DB argument, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 3 products from opensuse, from opensuse, from mit organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-03-26T01:59:05.997

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.3 (MEDIUM)

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
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	opensuse	leap	42.1	Yes
Operating System	opensuse	opensuse	13.2	Yes
Application	mit	kerberos_5	1.0	Yes
Application	mit	kerberos_5	1.0.6	Yes
Application	mit	kerberos_5	1.1	Yes
Application	mit	kerberos_5	1.1.1	Yes
Application	mit	kerberos_5	1.2	Yes
Application	mit	kerberos_5	1.2	Yes
Application	mit	kerberos_5	1.2	Yes
Application	mit	kerberos_5	1.2.1	Yes
Application	mit	kerberos_5	1.2.2	Yes
Application	mit	kerberos_5	1.2.3	Yes
Application	mit	kerberos_5	1.2.4	Yes
Application	mit	kerberos_5	1.2.5	Yes
Application	mit	kerberos_5	1.2.6	Yes
Application	mit	kerberos_5	1.2.7	Yes
Application	mit	kerberos_5	1.2.8	Yes
Application	mit	kerberos_5	1.3	Yes
Application	mit	kerberos_5	1.3	Yes
Application	mit	kerberos_5	1.3.1	Yes
Application	mit	kerberos_5	1.3.2	Yes
Application	mit	kerberos_5	1.3.3	Yes
Application	mit	kerberos_5	1.3.4	Yes
Application	mit	kerberos_5	1.3.5	Yes
Application	mit	kerberos_5	1.3.6	Yes
Application	mit	kerberos_5	1.4	Yes
Application	mit	kerberos_5	1.4.1	Yes
Application	mit	kerberos_5	1.4.2	Yes
Application	mit	kerberos_5	1.4.3	Yes
Application	mit	kerberos_5	1.4.4	Yes
Application	mit	kerberos_5	1.5	Yes
Application	mit	kerberos_5	1.5.1	Yes
Application	mit	kerberos_5	1.5.2	Yes
Application	mit	kerberos_5	1.5.3	Yes
Application	mit	kerberos_5	1.6	Yes
Application	mit	kerberos_5	1.6.1	Yes
Application	mit	kerberos_5	1.6.2	Yes
Application	mit	kerberos_5	1.7	Yes
Application	mit	kerberos_5	1.7.1	Yes
Application	mit	kerberos_5	1.8	Yes
Application	mit	kerberos_5	1.8.1	Yes
Application	mit	kerberos_5	1.8.2	Yes
Application	mit	kerberos_5	1.8.3	Yes
Application	mit	kerberos_5	1.8.4	Yes
Application	mit	kerberos_5	1.8.5	Yes
Application	mit	kerberos_5	1.8.6	Yes
Application	mit	kerberos_5	1.9	Yes
Application	mit	kerberos_5	1.9.1	Yes
Application	mit	kerberos_5	1.9.2	Yes
Application	mit	kerberos_5	1.9.3	Yes
Application	mit	kerberos_5	1.9.4	Yes
Application	mit	kerberos_5	1.10	Yes
Application	mit	kerberos_5	1.10.1	Yes
Application	mit	kerberos_5	1.10.2	Yes
Application	mit	kerberos_5	1.10.3	Yes
Application	mit	kerberos_5	1.10.4	Yes
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
Application	mit	kerberos_5	1.11.4	Yes
Application	mit	kerberos_5	1.11.5	Yes
Application	mit	kerberos_5	1.12	Yes
Application	mit	kerberos_5	1.12.1	Yes
Application	mit	kerberos_5	1.12.2	Yes
Application	mit	kerberos_5	1.12.3	Yes
Application	mit	kerberos_5	1.13	Yes
Application	mit	kerberos_5	1.13.1	Yes
Application	mit	kerberos_5	1.13.2	Yes
Application	mit	kerberos_5	1.13.3	Yes
Application	mit	kerberos_5	1.13.4	Yes
Application	mit	kerberos_5	1.14	Yes
Application	mit	kerberos_5	1.14	Yes
Application	mit	kerberos_5	1.14	Yes
Application	mit	kerberos_5	1.14.0	Yes
Application	mit	kerberos_5	1.14.1	Yes

References

http://lists.opensuse.org/opensuse-updates/2016-04/msg00007.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2016-04/msg00055.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-2591.html ([email protected])
http://www.securityfocus.com/bid/85392 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1035399 Third Party Advisory, VDB Entry ([email protected])
https://github.com/krb5/krb5/commit/08c642c09c38a9c6454ab43a9b53b2a89b9eef99 Patch ([email protected])
https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2016-04/msg00007.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2016-04/msg00055.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2016-2591.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/85392 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1035399 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/krb5/krb5/commit/08c642c09c38a9c6454ab43a9b53b2a89b9eef99 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html (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 opensuse'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.