Jenkins Credentials Plug-In Sensitive Information Disclosure Vulnerability [CVE-2019-10320]

CVE Number – CVE-2019-10320

A vulnerability in the Jenkins Credentials plug-in could allow an authenticated, remote attacker to access sensitive information on a targeted system.The vulnerability exists because the affected software mishandles certificate credentials from a Public Key Cryptography Standards (PKCS) #12 file. An attacker with user permissions could exploit the vulnerability by creating or updating credentials on a targeted system. A successful exploit could allow the attacker to access sensitive information on the targeted system.Jenkins has confirmed the vulnerability and released software updates.

Analysis

• To exploit this vulnerability, the attacker must have user-level access to the targeted system. This access requirement could reduce the likelihood of a successful exploit.

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

• Jenkins has released a security advisory at the following link: SECURITY-1322

Fixed Software

• Jenkins has released software updates at the following link: Jenkins Credentials Plugin 2.1.19