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Fencer Intel
high 7.5

CVE-2015-8630 json

The (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (ak…

published 2016-02-13 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-8507

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.3%
EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

The (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by specifying KADM5_POLICY with a NULL policy name.

Patch / fix

  • krb5 Debian 14, Debian 13, Debian 12 1.13.2+dfsg-5

debian advisories DEBIAN-CVE-2015-8630

  • krb5 Ubuntu 14.04 LTS 1.12+dfsg-2ubuntu5.4

ubuntu advisories UBUNTU-CVE-2015-8630

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • krb5 RHEL 7 1.13.2-12.el7_2
  • krb5-libs RHEL 7 1.13.2-12.el7_2
  • krb5-pkinit RHEL 7 1.13.2-12.el7_2
  • krb5-server RHEL 7 1.13.2-12.el7_2
  • krb5-server-ldap RHEL 7 1.13.2-12.el7_2
  • krb5-workstation RHEL 7 1.13.2-12.el7_2

red hat advisories RHSA-2016:0532

  • krb5 SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 1.12.1-25.1

suse advisories SUSE-SU-2016:0429-1

  • krb5 openSUSE Tumbleweed 1.15-1.1

opensuse advisories openSUSE-SU-2024:10004-1

  • krb5 Alpine 3.4 1.14-r1

alpine advisories ALPINE-CVE-2015-8630

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-8630 updated cvss 2.1

krb5: krb5 doesn't check for null policy when KADM5_POLICY is set in the mask

  • Red Hat Enterprise Linux Client (v. 7) krb5 1.13.2-12.el7_2, krb5-libs 1.13.2-12.el7_2, krb5-pkinit 1.13.2-12.el7_2, krb5-workstation 1.13.2-12.el7_2 Red Hat Enterprise Linux Client Optional (v. 7) krb5-server 1.13.2-12.el7_2, krb5-server-ldap 1.13.2-12.el7_2 Red Hat Enterprise Linux ComputeNode (v. 7) krb5 1.13.2-12.el7_2, krb5-libs 1.13.2-12.el7_2, krb5-pkinit 1.13.2-12.el7_2, krb5-workstation 1.13.2-12.el7_2 Red Hat Enterprise Linux ComputeNode Optional (v. 7) krb5-server 1.13.2-12.el7_2, krb5-server-ldap 1.13.2-12.el7_2 Red Hat Enterprise Linux Server (v. 7) krb5 1.13.2-12.el7_2, krb5-libs 1.13.2-12.el7_2, krb5-pkinit 1.13.2-12.el7_2, krb5-server 1.13.2-12.el7_2, krb5-server-ldap 1.13.2-12.el7_2, krb5-workstation 1.13.2-12.el7_2 Red Hat Enterprise Linux Workstation (v. 7) krb5 1.13.2-12.el7_2, krb5-libs 1.13.2-12.el7_2, krb5-pkinit 1.13.2-12.el7_2, krb5-server 1.13.2-12.el7_2, krb5-server-ldap 1.13.2-12.el7_2, krb5-workstation 1.13.2-12.el7_2
    fixed: vendor fix RHSA-2016:0532
  • Red Hat Enterprise Linux 5 krb5 Red Hat Enterprise Linux 6 krb5, libkadm5, krb5-libs, krb5-server, krb5-server-ldap, krb5-workstation, +1 more Red Hat JBoss Enterprise Web Server 2 krb5
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.33% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.