CVE-2013-6800
An unspecified third-party database module for the Key Distribution Center (KDC) in MIT Kerberos...
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.
Exploit likelihood
What each source reports
NVD Score used
4.0
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.
- Record
CVE-2013-6800- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-6800- Updated
- 2026-11-02
EUVDEUVD-2013-6602 No score
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.
- Record
EUVD-2013-6602- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f64v-2v58-4rrx No score
An unspecified third-party database module for the Key Distribution Center (KDC) in MIT Kerberos...
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.
- Record
GHSA-f64v-2v58-4rrx- Updated
- 2026-11-02
OSVUBUNTU-CVE-2013-6800 No score
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.
- Record
UBUNTU-CVE-2013-6800- Updated
- 2026-11-02
OSVUSN-2310-1 No score
krb5 vulnerabilities
It was discovered that Kerberos incorrectly handled certain crafted Draft 9 requests. A remote attacker could use this issue to cause the daemon to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. (CVE-2012-1016)
It was discovered that Kerberos incorrectly handled certain malformed KRB5_PADATA_PK_AS_REQ AS-REQ requests. A remote attacker could use this issue to cause the daemon to crash, resulting in a denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu 12.04 LTS. (CVE-2013-1415)
It was discovered that Kerberos incorrectly handled certain crafted TGS-REQ requests. A remote authenticated attacker could use this issue to cause the daemon to crash, resulting in a denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu 12.04 LTS. (CVE-2013-1416)
It was discovered that Kerberos incorrectly handled certain crafted requests when multiple realms were configured. A remote attacker could use this issue to cause the daemon to crash, resulting in a denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu 12.04 LTS. (CVE-2013-1418, CVE-2013-6800)
It was discovered that Kerberos incorrectly handled certain invalid tokens. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be used to cause the daemon to crash, resulting in a denial of service. (CVE-2014-4341, CVE-2014-4342)
It was discovered that Kerberos incorrectly handled certain mechanisms when used with SPNEGO. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be used to cause clients to crash, resulting in a denial of service. (CVE-2014-4343)
It was discovered that Kerberos incorrectly handled certain continuation tokens during SPNEGO negotiations. A remote attacker could use this issue to cause the daemon to crash, resulting in a denial of service. (CVE-2014-4344)
Tomas Kuthan and Greg Hudson discovered that the Kerberos kadmind daemon incorrectly handled buffers when used with the LDAP backend. A remote attacker could use this issue to cause the daemon to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-4345)
- Record
USN-2310-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
krb5Red Hat:enterprise_linux:5::client_workstation From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-serverRed Hat:enterprise_linux:5::client_workstation From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-server-ldapRed Hat:enterprise_linux:5::client_workstation From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5Red Hat:enterprise_linux:5::client From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-libsRed Hat:enterprise_linux:5::client From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-workstationRed Hat:enterprise_linux:5::client From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5Red Hat:enterprise_linux:5::server From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
Show 39 moreShow less
| Package | Affected | Fixed |
|---|---|---|
krb5-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-develRed Hat:enterprise_linux:5::server From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-libsRed Hat:enterprise_linux:5::server From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-serverRed Hat:enterprise_linux:5::server From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-server-ldapRed Hat:enterprise_linux:5::server From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-workstationRed Hat:enterprise_linux:5::server From an advisory covering 4 CVEs |
before 0:1.6.1-78.el5 | 0:1.6.1-78.el5 |
krb5-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-develRed Hat:enterprise_linux:6::client From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-serverRed Hat:enterprise_linux:6::client From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-server-ldapRed Hat:enterprise_linux:6::client From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5Red Hat:enterprise_linux:6::client From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-libsRed Hat:enterprise_linux:6::client From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-pkinit-opensslRed Hat:enterprise_linux:6::client From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-workstationRed Hat:enterprise_linux:6::client From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-develRed Hat:enterprise_linux:6::computenode From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-serverRed Hat:enterprise_linux:6::computenode From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-server-ldapRed Hat:enterprise_linux:6::computenode From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5Red Hat:enterprise_linux:6::computenode From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-libsRed Hat:enterprise_linux:6::computenode From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-pkinit-opensslRed Hat:enterprise_linux:6::computenode From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-workstationRed Hat:enterprise_linux:6::computenode From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5Red Hat:enterprise_linux:6::server From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-develRed Hat:enterprise_linux:6::server From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-libsRed Hat:enterprise_linux:6::server From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-pkinit-opensslRed Hat:enterprise_linux:6::server From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-serverRed Hat:enterprise_linux:6::server From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-server-ldapRed Hat:enterprise_linux:6::server From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-workstationRed Hat:enterprise_linux:6::server From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5Red Hat:enterprise_linux:6::workstation From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-develRed Hat:enterprise_linux:6::workstation From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-libsRed Hat:enterprise_linux:6::workstation From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-pkinit-opensslRed Hat:enterprise_linux:6::workstation From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-serverRed Hat:enterprise_linux:6::workstation From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-server-ldapRed Hat:enterprise_linux:6::workstation From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5-workstationRed Hat:enterprise_linux:6::workstation From an advisory covering 7 CVEs |
before 0:1.10.3-33.el6 | 0:1.10.3-33.el6 |
krb5Ubuntu:14.04:LTS From an advisory covering 9 CVEs |
before 1.12+dfsg-2ubuntu4.2, plus listed versions 1.10.1+dfsg-6.1ubuntu11.11.3+dfsg-3ubuntu21.12+dfsg-2ubuntu11.12+dfsg-2ubuntu21.12+dfsg-2ubuntu31.12+dfsg-2ubuntu4 |
1.12+dfsg-2ubuntu4.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-6800 is a medium vulnerability (CVSS 4.0) in Mit Kerberos, published November 16, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.61%, the 85th percentile. No source names a fixed version.
References
github.com/krb5/krb5/commit/c2ccf4197f697c4ff143b8a786acdd875e70a89d
krbdev.mit.edu/rt/Ticket/Display.html?id=7757
securityfocus.com/bid/63770
nvd.nist.gov/vuln/detail/CVE-2013-6800
github.com/advisories/GHSA-f64v-2v58-4rrx
access.redhat.com/errata/RHSA-2014:1245
Show 49 moreShow less
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=1026942
bugzilla.redhat.com/show_bug.cgi?id=1031499
bugzilla.redhat.com/show_bug.cgi?id=1116180
bugzilla.redhat.com/show_bug.cgi?id=1121877
security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_1245.json
access.redhat.com/security/cve/CVE-2013-1418
cve.org/CVERecord?id=CVE-2013-1418
nvd.nist.gov/vuln/detail/CVE-2013-1418
access.redhat.com/security/cve/CVE-2013-6800
cve.org/CVERecord?id=CVE-2013-6800
access.redhat.com/security/cve/CVE-2014-4341
cve.org/CVERecord?id=CVE-2014-4341
nvd.nist.gov/vuln/detail/CVE-2014-4341
access.redhat.com/security/cve/CVE-2014-4344
cve.org/CVERecord?id=CVE-2014-4344
nvd.nist.gov/vuln/detail/CVE-2014-4344
access.redhat.com/errata/RHSA-2014:1389
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.6_Technical_Notes/krb5.html
bugzilla.redhat.com/show_bug.cgi?id=1001961
bugzilla.redhat.com/show_bug.cgi?id=1009389
bugzilla.redhat.com/show_bug.cgi?id=1059730
bugzilla.redhat.com/show_bug.cgi?id=1087068
bugzilla.redhat.com/show_bug.cgi?id=1113652
bugzilla.redhat.com/show_bug.cgi?id=1120581
bugzilla.redhat.com/show_bug.cgi?id=1121876
bugzilla.redhat.com/show_bug.cgi?id=1128157
security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_1389.json
access.redhat.com/security/cve/CVE-2014-4342
cve.org/CVERecord?id=CVE-2014-4342
nvd.nist.gov/vuln/detail/CVE-2014-4342
access.redhat.com/security/cve/CVE-2014-4343
cve.org/CVERecord?id=CVE-2014-4343
nvd.nist.gov/vuln/detail/CVE-2014-4343
access.redhat.com/security/cve/CVE-2014-4345
cve.org/CVERecord?id=CVE-2014-4345
nvd.nist.gov/vuln/detail/CVE-2014-4345
web.mit.edu/Kerberos/advisories/MITKRB5-SA-2014-001.txt
ubuntu.com/security/CVE-2013-6800
ubuntu.com/security/notices/USN-2310-1
ubuntu.com/security/CVE-2012-1016
ubuntu.com/security/CVE-2013-1415
ubuntu.com/security/CVE-2013-1416
ubuntu.com/security/CVE-2013-1418
ubuntu.com/security/CVE-2014-4341
ubuntu.com/security/CVE-2014-4342
ubuntu.com/security/CVE-2014-4343
ubuntu.com/security/CVE-2014-4344
ubuntu.com/security/CVE-2014-4345