---
title: 'USN-2123-1: file vulnerabilities | Ubuntu security notices'
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/notices/USN-2123-1
---

1. [Ubuntu Security Notices](https://ubuntu.com/security/notices)
2. USN-2123-1

---

# USN-2123-1: file vulnerabilities

Publication date

26 February 2014

Overview

File could be made to crash if it processed a specially crafted file.

Releases

[13.10](https://ubuntu.com/security/notices?release=saucy)
[12.10](https://ubuntu.com/security/notices?release=quantal)
[12.04](https://ubuntu.com/security/notices?release=precise)
[10.04](https://ubuntu.com/security/notices?release=lucid)

---

Open side navigation

## Packages

* [file](https://ubuntu.com/security/cves?package=file) - Tool to determine file types

## Details

It was discovered that file incorrectly handled Composite Document files.
An attacker could use this issue to cause file to crash, resulting in a
denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu
12.04 LTS. ([CVE-2012-1571](https://ubuntu.com/security/CVE-2012-1571))

Bernd Melchers discovered that file incorrectly handled indirect offset
values. An attacker could use this issue to cause file to consume resources
or crash, resulting in a denial of service. ([CVE-2014-1943](https://ubuntu.com/security/CVE-2014-1943))

## Update instructions

In general, a standard system update will make all the necessary changes.

[Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security)

The problem can be corrected by updating your system to the following package versions:

| Ubuntu Release | Package Version |
| --- | --- |
| 13.10 saucy | [libmagic1](https://launchpad.net/ubuntu/+source/file) –  [5.11-2ubuntu4.1](https://launchpad.net/ubuntu/+source/file/5.11-2ubuntu4.1) | | |
| [file](https://launchpad.net/ubuntu/+source/file) –  [5.11-2ubuntu4.1](https://launchpad.net/ubuntu/+source/file/5.11-2ubuntu4.1) | | |
| 12.10 quantal | [libmagic1](https://launchpad.net/ubuntu/+source/file) –  [5.11-2ubuntu0.1](https://launchpad.net/ubuntu/+source/file/5.11-2ubuntu0.1) | | |
| [file](https://launchpad.net/ubuntu/+source/file) –  [5.11-2ubuntu0.1](https://launchpad.net/ubuntu/+source/file/5.11-2ubuntu0.1) | | |
| 12.04 precise | [libmagic1](https://launchpad.net/ubuntu/+source/file) –  [5.09-2ubuntu0.2](https://launchpad.net/ubuntu/+source/file/5.09-2ubuntu0.2) | | |
| [file](https://launchpad.net/ubuntu/+source/file) –  [5.09-2ubuntu0.2](https://launchpad.net/ubuntu/+source/file/5.09-2ubuntu0.2) | | |
| 10.04 lucid | [libmagic1](https://launchpad.net/ubuntu/+source/file) –  [5.03-5ubuntu1.1](https://launchpad.net/ubuntu/+source/file/5.03-5ubuntu1.1) | | |
| [file](https://launchpad.net/ubuntu/+source/file) –  [5.03-5ubuntu1.1](https://launchpad.net/ubuntu/+source/file/5.03-5ubuntu1.1) | | |

---

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## References

* [CVE-2014-1943](https://ubuntu.com/security/CVE-2014-1943)
* [CVE-2012-1571](https://ubuntu.com/security/CVE-2012-1571)

## Related notices

* [USN-2126-1](https://ubuntu.com/security/notices/USN-2126-1)
