CVE:CVE-2011-0002
CNNVD:CNNVD-201101-192
Red Hat libuser是美国红帽（Red Hat）公司的一个用于操作和管理用户和组账户的标准接口库。
libuser 0.57之前版本为新LDAP账户使用(1)!!或者(2)x的明文文本密码值。远程攻击者更容易通过指定这些值中的一项获得访问。
solution:Upgrade miloslav_trmac libuser to a higher version than 0.56.18,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.8.1,0.8.2,0.9,0.10,0.11,0.16.1,0.18,0.20,0.21,0.23,0.24-3,0.24-4,0.25,0.25.1,0.26,0.27,0.28,0.29,0.30,0.31,0.32,0.49.90,0.49.91,0.49.92,0.49.93,0.49.95,0.49.96,0.49.97,0.49.98,0.49.99,0.49.100,0.49.101-1,0.49.101-2,0.49.102,0.50,0.50.2,0.51,0.51.1-1,0.51.1-2,0.51.2,0.51.4,0.51.5,0.51.6,0.51.7,0.51.7-3,0.51.7-7,0.51.8,0.51.9,0.51.10,0.51.11,0.51.12,0.52,0.52.1,0.52.2,0.52.3,0.52.4,0.52.5,0.52.6,0.53,0.53.1,0.53.2,0.53.3,0.53.4,0.53.5,0.53.6,0.53.7,0.53.8,0.54,0.54.1,0.54.2,0.54.3,0.54.4,0.54.5,0.54.6,0.54.7,0.54.8,0.55,0.56,0.56.1,0.56.2,0.56.3,0.56.4,0.56.5,0.56.6,0.56.7,0.56.8,0.56.9,0.56.10,0.56.11,0.56.12,0.56.13,0.56.14,0.56.15,0.56.16,0.56.17,and avoid the version (,0.56.18],0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.8.1,0.8.2,0.9,0.10,0.11,0.16.1,0.18,0.20,0.21,0.23,0.24-3,0.24-4,0.25,0.25.1,0.26,0.27,0.28,0.29,0.30,0.31,0.32,0.49.90,0.49.91,0.49.92,0.49.93,0.49.95,0.49.96,0.49.97,0.49.98,0.49.99,0.49.100,0.49.101-1,0.49.101-2,0.49.102,0.50,0.50.2,0.51,0.51.1-1,0.51.1-2,0.51.2,0.51.4,0.51.5,0.51.6,0.51.7,0.51.7-3,0.51.7-7,0.51.8,0.51.9,0.51.10,0.51.11,0.51.12,0.52,0.52.1,0.52.2,0.52.3,0.52.4,0.52.5,0.52.6,0.53,0.53.1,0.53.2,0.53.3,0.53.4,0.53.5,0.53.6,0.53.7,0.53.8,0.54,0.54.1,0.54.2,0.54.3,0.54.4,0.54.5,0.54.6,0.54.7,0.54.8,0.55,0.56,0.56.1,0.56.2,0.56.3,0.56.4,0.56.5,0.56.6,0.56.7,0.56.8,0.56.9,0.56.10,0.56.11,0.56.12,0.56.13,0.56.14,0.56.15,0.56.16,0.56.17