---
title: "CVE-2013-1417\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2013-1417?format=md
keywords: index, follow
---

# CVE-2013-1417

Publication date 20 November 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

do\_tgs\_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka
krb5) 1.11 before 1.11.4, when a single-component realm name is used,
allows remote authenticated users to cause a denial of service (daemon
crash) via a TGS-REQ request that triggers an attempted cross-realm
referral for a host-based service principal.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2013-1417?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| krb5 | 14.04 LTS trusty | Not affected |
| 13.10 saucy | Not affected |
| 13.04 raring | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2013-1417?format=md#patch-details)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

only 1.11.x

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| krb5 | * Upstream:   [4c023ba](https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1417)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-1417)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-1417)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-1417)

### Other references

* <https://bugzilla.redhat.com/show_bug.cgi?id=1030743>
* <https://www.cve.org/CVERecord?id=CVE-2013-1417>