An issue was discovered in EXCELLENT INFOTEK CORPORATION (EIC) E-document System 3.0. A remote attacker can use kw/auth/bbs/asp/get_user_email_info_bbs.asp to obtain the contact information (name and e-mail address) of everyone in the entire organization. This information can allow remote attackers to perform social engineering or brute force attacks against the system login page.

EIC e-document system - Broken Authentication

EIC e-document system does not perform completed identity verification for sorting and filtering personnel data. The vulnerability allows remote attacker to obtain users’ credential information without logging in the system, and further acquire the privileged permissions and execute arbitrary commends.

EIC e-document system - SQL Injection

The users’ data querying function of EIC e-document system does not filter the special characters which resulted in remote attackers can inject SQL syntax and execute arbitrary commands without privilege.

EXCELLENT INFOTEK BiYan v1.57 ~ v2.8 allows an attacker to leak user information without being authenticated, by sending a LOGIN_ID element to the auth/main/asp/check_user_login_info.aspx URI, and then reading the response, as demonstrated by the KW_EMAIL or KW_TEL field.

EXCELLENT INFOTEK BiYan v1.57 ~ v2.8 allows an attacker to leak user information (Password) without being authenticated, by sending an EMP_NO element to the kws_login/asp/query_user.asp URI, and then reading the PWD element.