文件上传组件导致 Tomcat 7&8 DoS 安全漏洞

由于 Apache Commons Fileupload 文件上传组件的问题，导致全系的 Tomcat 版本存在 DoS 安全漏洞。所影响的版本包括：

- - Commons FileUpload 1.0 to 1.3
- - Apache Tomcat 8.0.0-RC1 to 8.0.1
- - Apache Tomcat 7.0.0 to 7.0.50
- - Apache Tomcat 6 and earlier are not affected

解决该漏洞的方法：

- - Upgrade to Apache Commons FileUpload 1.3.1 or later once released
- - Upgrade to Apache Tomcat 8.0.2 or later once released
- - Upgrade to Apache Tomcat 7.0.51 or later once released
- - Apply the appropriate patch
  - Commons FileUpload: http://svn.apache.org/r1565143
  - Tomcat 8: http://svn.apache.org/r1565163
  - Tomcat 7: http://svn.apache.org/r1565169
- - Limit the size of the Content-Type header to less than 4091 bytes

该漏洞的详细描述请看这里。

文章转载自 开源中国社区 [http://www.oschina.net]