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sources/news/20140924 Canonical Closes nginx Exploit in Ubuntu 14.04 LTS.md
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Translating----------geekpi
Canonical Closes nginx Exploit in Ubuntu 14.04 LTS
================================================================================
> Users have to upgrade their systems to fix the issue
![Ubuntu 14.04 LTS](http://i1-news.softpedia-static.com/images/news2/Canonical-Closes-Nginx-Exploit-in-Ubuntu-14-04-LTS-459677-2.jpg)
Ubuntu 14.04 LTS
**Canonical has published details in a security notice about an nginx vulnerability that affected Ubuntu 14.04 LTS (Trusty Tahr). The problem has been identified and fixed.**
The Ubuntu developers have fixed a small nginx exploit. They explain that nginx could have been made to expose sensitive information over the network.
According to the security notice, “Antoine Delignat-Lavaud and Karthikeyan Bhargavan discovered that nginx incorrectly reused cached SSL sessions. An attacker could possibly use this issue in certain configurations to obtain access to information from a different virtual host.”
For a more detailed description of the problems, you can see Canonical's security [notification][1]. Users should upgrade their Linux distribution in order to correct this issue.
The problem can be repaired by upgrading the system to the latest nginx package (and dependencies). To apply the patch, you can simply run the Update Manager application.
If you don't want to use the Software Updater, you can open a terminal and enter the following commands (you will need to be root):
sudo apt-get update
sudo apt-get dist-upgrade
In general, a standard system update will make all the necessary changes. You don't have to restart the PC in order to implement this fix.
--------------------------------------------------------------------------------
via: http://news.softpedia.com/news/Canonical-Closes-Nginx-Exploit-in-Ubuntu-14-04-LTS-459677.shtml
作者：[Silviu Stahie][a]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
[a]:http://news.softpedia.com/editors/browse/silviu-stahie
[1]:http://www.ubuntu.com/usn/usn-2351-1/

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Canonical在Ubuntu 14.04 LTS中关闭了一个nginx漏洞
================================================================================
> 用户不得不升级他们的系统来修复这个漏洞
![Ubuntu 14.04 LTS](http://i1-news.softpedia-static.com/images/news2/Canonical-Closes-Nginx-Exploit-in-Ubuntu-14-04-LTS-459677-2.jpg)
Ubuntu 14.04 LTS
**Canonical已经在安全公告中公布了这个影响到Ubuntu 14.04 LTS (Trusty Tahr)的nginx漏洞的细节。这个问题已经被确定并被修复了**
Ubuntu的开发者已经修复了nginx的一个小漏洞。他们解释nginx可能已经被用来暴露网络上的敏感信息。
根据安全公告，“Antoine Delignat-Lavaud和Karthikeyan Bhargavan发现nginx错误地重复使用了缓存的SSL会话。攻击者可能利用此问题，在特定的配置下，可以从不同的虚拟主机获得信息“。
对于这些问题的更详细的描述，可以看到Canonical的安全[公告][1]。用户应该升级自己的Linux发行版以解决此问题。
这个问题可以通过在系统升级到最新nginx包（和依赖v包）进行修复。要应用该补丁，你可以直接运行升级管理程序。
如果你不想使用软件更新器，您可以打开终端，输入以下命令（需要root权限）：
sudo apt-get update
sudo apt-get dist-upgrade
在一般情况下，一个标准的系统更新将会进行必要的更改。要应用此修补程序您不必重新启动计算机。
--------------------------------------------------------------------------------
via: http://news.softpedia.com/news/Canonical-Closes-Nginx-Exploit-in-Ubuntu-14-04-LTS-459677.shtml
作者：[Silviu Stahie][a]
译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
[a]:http://news.softpedia.com/editors/browse/silviu-stahie
[1]:http://www.ubuntu.com/usn/usn-2351-1/