---
title: "CVE-2013-6404\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-2013-6404?format=md
keywords: index, follow
---

# CVE-2013-6404

Publication date 9 December 2013

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

Quassel core (server daemon) in Quassel IRC before 0.9.2 does not properly
verify the user ID when accessing user backlogs, which allows remote
authenticated users to read other users' backlogs via the bufferid in (1)
16/select\_buffer\_by\_id.sql, (2) 16/select\_buffer\_by\_id.sql, and (3)
16/select\_buffer\_by\_id.sql in core/SQL/PostgreSQL/.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2013-6404?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| quassel | 13.10 saucy | Fixed 0.9.1-0ubuntu1.1 |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Fixed 0.8.0-0ubuntu2.1 |
| 12.04 LTS precise | Fixed 0.8.0-0ubuntu1.1 |
| 10.04 LTS lucid | Ignored end of life |

---

* [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-2013-6404?format=md#patch-details)

## Notes

---

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

in precise, server component is in universe

### 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 |
| --- | --- |
| quassel | * Upstream:   [a1a24da](https://github.com/quassel/quassel/commit/a1a24da) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6404)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-6404)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-6404)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-6404)

### Other references

* <http://seclists.org/oss-sec/2013/q4/357>
* <https://www.cve.org/CVERecord?id=CVE-2013-6404>