CVE:CVE-2009-1255
CNNVD:CNNVD-200904-554
Memcached是美国软件开发者布莱德-菲兹派翠克（Brad Fitzpatrick）所研发的一套高性能的分布式内存对象缓存系统。该系统通过在内存中缓存数据和对象来减少读取数据库的次数，从而提高网站访问速度。 
如果远程攻击者连接到了memcached的TCP端口(默认11211)并发布了stats maps命令，Memcached就会直接将/proc/self/maps的输出管道传输给客户端。这可能导致泄漏所分配内存区域的地址。
solution:Upgrade memcachedb memcached to a higher version than 1.2.0,0.0.1,0.0.2,0.0.3,0.0.4,0.1.0,0.1.1,1.0.0:beta,1.0.1:beta,1.0.2:beta,1.0.3,1.0.4,1.1.0:beta,1.2.0:beta,1.2.1:beta,and avoid the version (,1.2.0],0.0.1,0.0.2,0.0.3,0.0.4,0.1.0,0.1.1,1.0.0:beta,1.0.1:beta,1.0.2:beta,1.0.3,1.0.4,1.1.0:beta,1.2.0:beta,1.2.1:beta