Jenkins Pipeline Remote Loader Plug-In Arbitrary Methods Vulnerability [CVE-2019-10328]

CVE Number – CVE-2019-10328

A vulnerability in the Jenkins Pipeline Loader plug-in could allow an authenticated, remote attacker to execute arbitrary methods on a targeted system. The vulnerability is due to improper security restrictions within the sandbox protection of the affected software. An attacker with user permissions could exploit the vulnerability by invoking arbitrary methods on the targeted system. A successful exploit could allow the attacker to bypass sandbox protection and completely compromise the 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-921

Fixed Software

Duncan Newell

Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.

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