krb5: kadmind denial of service
Published Jun 7, 2012
4.0
MEDIUMCVSS 2.0
EPSS 3.12%
Description
The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.
Affected products
No data.
Configuration 1
- 1.8
- 1.8.1
- 1.8.2
- 1.8.3
- 1.8.4
- 1.8.5
- 1.8.6
Configuration 2
- 1.9
- 1.9.1
- 1.9.2
- 1.9.3
Configuration 3
- 1.10
- 1.10.1
No data.
Red Hat Enterprise Linux 6
krb5-0:1.9-33.el6_3.2
Fixed · RHSA-2012:1131
Red Hat Enterprise Linux 4
krb5
Not affected
Red Hat Enterprise Linux 5
krb5
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | krb5-0:1.9-33.el6_3.2 | Fixed | RHSA-2012:1131 |
| Red Hat Enterprise Linux 4 | krb5 | Not affected | n/a |
| Red Hat Enterprise Linux 5 | krb5 | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 4 and 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.12% (0.03115) | 87.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.12% (0.03115) | 86.07th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.11% (0.01108) | 76.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.01% (0.02011) | 89.36th | v3 (v2023.03.01) |
| Nov 3, 2023 | 2.01% (0.02011) | 87.65th | v3 (v2023.03.01) |
| Sep 1, 2023 | 2.10% (0.02101) | 87.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.09% (0.02088) | 87.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.65% (0.01649) | 75.99th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.65% (0.01649) | 75.95th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.65% (0.01649) | 73.90th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.65% (0.01649) | 52.77th | v2 (v2022.01.01) |
No CWE recorded.
References (12)
- http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152 x_refsource_CONFIRM
- http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html mailing-listx_refsource_MLIST
- http://rhn.redhat.com/errata/RHSA-2012-1131.html vendor-advisoryx_refsource_REDHAT
- http://web.mit.edu/kerberos/krb5-1.10/ x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:102 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/53784 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2012-1013 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=827517 x_refsource_CONFIRMIssue Tracking
- https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b x_refsource_CONFIRMExploitPatch
- https://hermes.opensuse.org/messages/15083635 vendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2012-1013
- https://www.cve.org/CVERecord?id=CVE-2012-1013
| Link | Providers | Tags |
|---|---|---|
| http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152 | x_refsource_CONFIRM | |
| http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html | mailing-listx_refsource_MLIST | |
| http://rhn.redhat.com/errata/RHSA-2012-1131.html | vendor-advisoryx_refsource_REDHAT | |
| http://web.mit.edu/kerberos/krb5-1.10/ | x_refsource_CONFIRM | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2012:102 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.securityfocus.com/bid/53784 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2012-1013 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=827517 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b | x_refsource_CONFIRMExploitPatch | |
| https://hermes.opensuse.org/messages/15083635 | vendor-advisoryx_refsource_SUSE | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-1013 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-1013 |
Change history (0)
No recorded changes yet.