Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
pam_sm_authenticate in pam_pgsql.c in libpam-pgsql 0.6.3 does not properly consider operator precedence when evaluating the success of a pam_get_pass function call, which allows local users to gain privileges via a SIGINT signal when this function is executing, as demonstrated by a CTRL-C sequence at a sudo password prompt in an "auth sufficient pam_pgsql.so" configuration.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
libpam-pgsql pam_pgsql.c文件身份认证绕过漏洞
Vulnerability Description
libpam-pgsql（也称pam_pgsql）是一个使用PostgreSQL数据库认证用户的PAM模块。 libpam-pgsql的pam_pgsql.c文件中的pam_sm_authenticate()函数存在安全漏洞，如果在认证过程中发送了SIGINT，例如在sudo要求输入用户口令时按下Ctrl+C，则无需输入正确口令sudo也可以成功。
CVSS Information
N/A
Vulnerability Type
N/A