CVE:CVE-2011-3354
CNNVD:CNNVD-201109-129
Quassel（又名Quassel IRC）是Quassel IRC团队开发的一款跨平台的分布式IRC聊天客户端，它采用QT应用框架开发，PostgreSQL数据库存储数据。
Quassel 0.7.3之前版本中的core/ctcpparser.cpp中的CtcpParser::packedReply方法中存在漏洞。远程攻击者可借助特制的Client-To-Client Protocol (CTCP)请求导致拒绝服务。
solution:Upgrade quassel-irc quassel to a higher version than 0.7.2,0.3.0,0.3.1,0.4.0,0.4.1,0.4.2,0.4.3,0.5.0,0.5.1,0.5.2,0.6.0,0.6.1,0.7.0,0.7.1,and avoid the version (,0.7.2],0.3.0,0.3.1,0.4.0,0.4.1,0.4.2,0.4.3,0.5.0,0.5.1,0.5.2,0.6.0,0.6.1,0.7.0,0.7.1