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CVE-2014-5354· NVD / CVE Program· CNA mitre

plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.1, when the KDC uses LDAP, allows

plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by creating a database entry for a keyless principal, as demonstrated by a kadmin "add_principal -nokey" or "purgekeys -all" command.

LowCVSS 3.5 · v2.0—No exploit Fix available
Published
Dec 16, 2014
Updated
Jun 16, 2026
EPSS
1.7% · 77th percentile
CWE
—
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Report tools

JSON

Action score

15

Monitor

Low priority for now.

CVSS
14 / 40 · 3.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 1.7%

Affected systems

VendorProduct
mitkerberos
mitkerberos 5

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • mit kerberos5_1.13
  • mit kerberos 51.12
  • mit kerberos 51.12.1
  • mit kerberos 51.12.2

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12krb5before 1.12.1+dfsg-161.12.1+dfsg-16
SUSE:Linux Enterprise Server 11 SP3krb5-docbefore 1.6.3-133.49.68.21.6.3-133.49.68.2
SUSE:Linux Enterprise Server 11 SP3krb5-pluginsbefore 1.6.3-133.49.68.11.6.3-133.49.68.1
SUSE:Linux Enterprise Software Development Kit 11 SP3krb5before 1.6.3-133.49.68.11.6.3-133.49.68.1
SUSE:Linux Enterprise Software Development Kit 12krb5before 1.12.1-16.11.12.1-16.1

Same product

mit: all records

Other highest-scoring records for the same primary product.

  • CVE-2001-0554Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a
    52Plan
  • CVE-2004-0523Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary
    43Plan
  • CVE-2009-4212Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 throu
    42Plan
  • CVE-2010-0283The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.2, and 1.8 alpha, allows remote attackers to cause a denial of
    32Monitor
  • CVE-2018-5709An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16.
    31Monitor
  • CVE-2003-0138Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:krb51.12.1+dfsg-16 · Debian:12Package registry (OSV)
suse:krb51.12.1-16.1 · SUSE:Linux Enterprise Software Development Kit 12Package registry (OSV)
suse:krb5-doc1.6.3-133.49.68.2 · SUSE:Linux Enterprise Server 11 SP3Package registry (OSV)
suse:krb5-plugins1.6.3-133.49.68.1 · SUSE:Linux Enterprise Server 11 SP3Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    none
    Integrity
    none
    Availability
    P · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    None
    Availability impact
    P

    Weakness class (CWE)

    —

    CVSS vector

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

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    MITRE has no CAPEC/ATT&CK mapping for this CWE.

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    1. Fix✗ → ✓

    For records you follow, these changes also arrive as notifications. →

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records