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Fencer Intel
medium 4.3

CVE-2013-1418 json

The setup_server_realm function in main.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.7, when multiple re…

published 12y ago modified 4mo ago also EUVD-2013-1456

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

The setup_server_realm function in main.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.7, when multiple realms are configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request.

Patch / fix

  • mit kerberos_5 1.10.7
  • krb5 Debian 14, Debian 13, Debian 12 1.11.3+dfsg-3+nmu1

debian advisories DEBIAN-CVE-2013-1418

  • krb5 RHEL 6 1.10.3-33.el6
  • krb5-libs RHEL 6 1.10.3-33.el6
  • krb5-server RHEL 6 1.10.3-33.el6
  • krb5-server-ldap RHEL 6 1.10.3-33.el6
  • krb5-workstation RHEL 6 1.10.3-33.el6
  • krb5-pkinit-openssl RHEL 6 1.10.3-33.el6
  • krb5 RHEL 5 1.6.1-78.el5
  • krb5-libs RHEL 5 1.6.1-78.el5

red hat advisories RHSA-2014:1389RHSA-2014:1245

  • krb5 openSUSE Tumbleweed 1.15-1.1

opensuse advisories openSUSE-SU-2024:10004-1

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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-2013-1418 updated cvss 4.3

krb5: multi-realm KDC null dereference leads to crash

  • Red Hat Enterprise Linux (v. 5 server) krb5 1.6.1-78.el5, krb5-libs 1.6.1-78.el5, krb5-server 1.6.1-78.el5, krb5-server-ldap 1.6.1-78.el5, krb5-workstation 1.6.1-78.el5 Red Hat Enterprise Linux Desktop (v. 5 client) krb5 1.6.1-78.el5, krb5-libs 1.6.1-78.el5, krb5-workstation 1.6.1-78.el5
    fixed: vendor fix RHSA-2014:1245
  • Red Hat Enterprise Linux Desktop (v. 6) krb5 1.10.3-33.el6, krb5-libs 1.10.3-33.el6, krb5-workstation 1.10.3-33.el6, krb5-pkinit-openssl 1.10.3-33.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) krb5-server 1.10.3-33.el6, krb5-server-ldap 1.10.3-33.el6
    fixed: vendor fix RHSA-2014:1389
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) krb5 1.6.1-78.el5, krb5-server 1.6.1-78.el5, krb5-server-ldap 1.6.1-78.el5
    fixed: vendor fix RHSA-2014:1245
  • Red Hat Enterprise Linux HPC Node (v. 6) krb5 1.10.3-33.el6, krb5-libs 1.10.3-33.el6, krb5-workstation 1.10.3-33.el6, krb5-pkinit-openssl 1.10.3-33.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) krb5-server 1.10.3-33.el6, krb5-server-ldap 1.10.3-33.el6 Red Hat Enterprise Linux Server (v. 6) krb5 1.10.3-33.el6, krb5-libs 1.10.3-33.el6, krb5-server 1.10.3-33.el6, krb5-server-ldap 1.10.3-33.el6, krb5-workstation 1.10.3-33.el6, krb5-pkinit-openssl 1.10.3-33.el6 Red Hat Enterprise Linux Workstation (v. 6) krb5 1.10.3-33.el6, krb5-libs 1.10.3-33.el6, krb5-server 1.10.3-33.el6, krb5-server-ldap 1.10.3-33.el6, krb5-workstation 1.10.3-33.el6, krb5-pkinit-openssl 1.10.3-33.el6
    fixed: vendor fix RHSA-2014:1389
  • Red Hat Enterprise Linux 7 krb5, libkadm5, krb5-libs, krb5-pkinit, krb5-server, krb5-server-ldap, +1 more
    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

5.51% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

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.