Sequelize Standard Conforming String Usage Vulnerability [CVE-2019-11069]

CVE number – CVE-2019-11069

A vulnerability in Sequelize could allow an unauthenticated, remote attacker to bypass security restrictions on a targeted system.

The vulnerability exists because the affected software does not properly ensure that standard conforming strings are being used. An attacker could exploit this vulnerability by sending a request that submits malicious input to the targeted system. A successful exploit could be used to conduct further attacks. 

Sequelize has confirmed the vulnerability and released software updates.

Analysis

• To exploit this vulnerability, an attacker must send a request that submits malicious input to the targeted system, making exploitation more difficult in environments that restrict network access from untrusted sources.

Safeguards

• Administrators are advised to apply the appropriate updates.
  
  Administrators are advised to allow only trusted users to have network access.
  
  Administrators are advised to run both firewall and antivirus applications to minimize the potential of inbound and outbound threats.
  
  Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.
  
  Administrators can help protect affected systems from external attacks by using a solid firewall strategy.
  
  Administrators are advised to monitor affected systems.

Vendor Announcements

• Sequelize has released a pull request at the following link: fix(postgres): check and enable standard conforming strings when required #10746

Fixed Software

• Sequelize has released software updates at the following link: Sequelize 5.3.0