External risk intelligence

Eclipse Equinox OSGi allows attackers to run any command, potentially taking control of systems.

CVE advisorySeverity: CRITICAL (CVSS 9.3)

CVE-2023-54344

An external attacker can exploit the Eclipse Equinox OSGi management console to seize full control of the system without authentication. This allows them to steal sensitive data and gain a permanent foothold, compromising the security of business applications.

2Halo Surface Signal

Missing Authentication

External exposure likelihood

Halo Surface Signal score for CVE-2023-54344

The vulnerability affects the OSGi management console, an interface designed for internal debugging and administrative tasks. These interfaces are typically kept on private networks and are not intended for direct public internet access. While reachable within internal environments, any public internet exposure is uncommon and generally indicative of a misconfiguration.

Horizon Alert

Summary of the vulnerability and why it matters

Eclipse Equinox OSGi has a critical vulnerability allowing unauthenticated attackers to run commands remotely. This is because the system's console interface can be tricked into executing arbitrary bash commands, potentially giving attackers control over the system.

  • Attackers can gain full control.
  • Affects systems with an exposed OSGi console.
  • Allows for reverse shell connections.

Attack Path

How an attacker could exploit the issue

Unauthenticated attackers can exploit this vulnerability by connecting to the OSGi console port and sending specially crafted payloads. These payloads, containing base64-encoded bash commands wrapped in fork directives, can be used to execute arbitrary commands and establish reverse shell connections to the affected system.

  • Target OSGi console interface.
  • Send base64-encoded commands.
  • Establish reverse shell connection.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows unauthenticated remote code execution by sending encoded commands to the OSGi console. While the technical execution path is straightforward, attackers may dislike weaponizing it due to the console's typical network isolation. Public internet exposure of the OSGi console is uncommon and often points to a misconfiguration.

  • Exploitation unlikely outside misconfigurations.
  • No public exploit or KEV signals observed.
  • Console access implies internal network compromise.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize immediate investigation of logs and telemetry for any signs of unauthorized access to the OSGi console port, especially if base64-encoded commands or reverse shell activity is detected. Given the critical nature and potential for unauthenticated remote code execution, isolate or take offline any services exposing the OSGi console interface if exploitation is suspected or confirmed, and if a reliable exploit exists.

  • Block traffic to OSGi console port.
  • Audit OSGi console access logs.
  • Update Equinox OSGi to a patched version.

Frequently asked questions

What is Eclipse Equinox OSGi and its function in software development?

Eclipse Equinox OSGi is a framework enabling Java developers to construct modular applications. It facilitates the independent development, deployment, and updating of software components, promoting flexibility and dynamism in Java application architecture.

What type of weakness does CVE-2023-54344 represent, and what is its classification?

CVE-2023-54344 signifies a critical vulnerability classified under CWE-306, indicating an authentication bypass. This flaw permits attackers to execute commands without prior authentication, posing a severe security risk.

How can an attacker trigger the vulnerability in Eclipse Equinox OSGi and what is the scope?

Attackers can trigger this vulnerability by connecting to the OSGi console port and transmitting specific payloads. These payloads contain base64-encoded bash commands embedded within fork directives, allowing for arbitrary command execution and reverse shell connections. The scope is limited to systems exposing the OSGi console interface.

What is the relevance of CVE-2023-54344, considering the typical network placement of the OSGi console?

The relevance of CVE-2023-54344 is heightened by the potential for remote code execution, though exploitation is considered unlikely outside of misconfigurations. The OSGi management console is usually on private networks, so public internet exposure suggests an unusual setup. Halo Surface Signal rates this as 'Unlikely' due to the console's typical internal usage.

What practical steps should be taken to respond to this vulnerability?

Immediate actions include auditing logs for suspicious activity on the OSGi console port, such as unauthorized access or the presence of base64-encoded commands. If exploitation is suspected, isolate or disable services exposing the OSGi console. Updating Equinox OSGi to a patched version is also recommended.

References