CVE:CVE-2012-5642
CNNVD:CNNVD-201212-244
Fail2ban 0.8.8之前版本中的server/action.py中存在漏洞，该漏洞源于没有正确处理匹配标签的内容。通过在此内容中的未明符号，远程攻击者利用该漏洞在自定义操作文件中触发不安全的行为。
solution:Upgrade fail2ban fail2ban to a higher version than 0.8.7.1,0.1.0,0.1.1,0.1.2,0.3.0,0.3.1,0.4.0,0.4.1,0.5.0,0.5.1,0.5.2,0.5.3,0.5.4,0.5.5,0.6.0,0.6.1,0.7.0,0.7.1,0.7.2,0.7.3,0.7.4,0.7.5,0.7.6,0.7.7,0.7.8,0.7.9,0.8.0,0.8.1,0.8.2,0.8.3,0.8.4,0.8.5,0.8.6,0.8.7,and avoid the version (,0.8.7.1],0.1.0,0.1.1,0.1.2,0.3.0,0.3.1,0.4.0,0.4.1,0.5.0,0.5.1,0.5.2,0.5.3,0.5.4,0.5.5,0.6.0,0.6.1,0.7.0,0.7.1,0.7.2,0.7.3,0.7.4,0.7.5,0.7.6,0.7.7,0.7.8,0.7.9,0.8.0,0.8.1,0.8.2,0.8.3,0.8.4,0.8.5,0.8.6,0.8.7