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Fencer Intel
medium 4.0

CVE-2013-6800 json

An unspecified third-party database module for the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.10.x allows remote authenti…

published 12y ago modified 4mo ago also EUVD-2013-6602

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

An unspecified third-party database module for the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.10.x allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request, a different vulnerability than CVE-2013-1418.

Patch / fix

  • mit kerberos_5 1.10.7
  • mit krb5 1.10.7
  • 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

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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-2013-6800 updated cvss 4.3

krb5: KDC remote DoS (NULL pointer dereference and daemon 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

2.61% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/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.

CPEs and fixed versions use Anchore's correction of NVD's data: Improve kerberos 5 affected range consistency.