CVE:CVE-2012-4431
CNNVD:CNNVD-201212-054
Apache Apache Tomcat是美国阿帕奇（Apache）软件基金会下属的Jakarta项目的一款轻量级Web应用服务器，它主要用于开发和调试JSP程序，适用于中小型系统。
Apache Tomcat 7.0.0至7.0.31版本和6.0.0至6.0.35版本中中的org/apache/catalina/filters/CsrfPreventionFilter.java中存在安全漏洞。远程攻击者利用该漏洞在授权用户上下文中执行一定的操作，进而获得访问到受影响应用程序的权限，也可能存在其他攻击。
solution:Upgrade apache tomcat to a higher version than 6.0,6.0.0,6.0.0:alpha,6.0.1,6.0.1:alpha,6.0.2,6.0.2:alpha,6.0.2:beta,6.0.3,6.0.4,6.0.4:alpha,6.0.5,6.0.6,6.0.6:alpha,6.0.7,6.0.7:alpha,6.0.7:beta,6.0.8,6.0.8:alpha,6.0.9,6.0.9:beta,6.0.10,6.0.11,6.0.12,6.0.13,6.0.14,6.0.15,6.0.16,6.0.17,6.0.18,6.0.19,6.0.20,6.0.24,6.0.26,6.0.27,6.0.28,6.0.29,6.0.30,6.0.31,6.0.32,6.0.33,6.0.35,7.0.0,7.0.0:beta,7.0.1,7.0.2,7.0.2:beta,7.0.3,7.0.4,7.0.4:beta,7.0.5,7.0.6,7.0.7,7.0.8,7.0.9,7.0.10,7.0.11,7.0.12,7.0.13,7.0.14,7.0.15,7.0.16,7.0.17,7.0.18,7.0.19,7.0.20,7.0.21,7.0.22,7.0.23,7.0.25,7.0.28,7.0.30,and avoid the version 6.0,6.0.0,6.0.0:alpha,6.0.1,6.0.1:alpha,6.0.2,6.0.2:alpha,6.0.2:beta,6.0.3,6.0.4,6.0.4:alpha,6.0.5,6.0.6,6.0.6:alpha,6.0.7,6.0.7:alpha,6.0.7:beta,6.0.8,6.0.8:alpha,6.0.9,6.0.9:beta,6.0.10,6.0.11,6.0.12,6.0.13,6.0.14,6.0.15,6.0.16,6.0.17,6.0.18,6.0.19,6.0.20,6.0.24,6.0.26,6.0.27,6.0.28,6.0.29,6.0.30,6.0.31,6.0.32,6.0.33,6.0.35,7.0.0,7.0.0:beta,7.0.1,7.0.2,7.0.2:beta,7.0.3,7.0.4,7.0.4:beta,7.0.5,7.0.6,7.0.7,7.0.8,7.0.9,7.0.10,7.0.11,7.0.12,7.0.13,7.0.14,7.0.15,7.0.16,7.0.17,7.0.18,7.0.19,7.0.20,7.0.21,7.0.22,7.0.23,7.0.25,7.0.28,7.0.30