External risk intelligence

SkySea Client View Remote Code Execution Risk

CVE advisoryKnown Exploit

CVE-2016-7836

A vulnerability in SKYSEA Client View allows remote code execution through flawed authentication processing on the management console's TCP connection. This impacts affected organizations by enabling potential unauthorized system control, posing a business risk.

3Halo Surface Signal

Authentication Bypass

Skygroup Skysea Client View

11.221.03 and earlier

External exposure likelihood

Halo Surface Signal score for CVE-2016-7836

The vulnerability involves a management console program, which is typically deployed within internal corporate networks for asset management. While it uses TCP, such management consoles are generally not intended for direct exposure to the public internet, though they could be inadvertently reachable in some specific network configurations.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability exists within SKYSEA Client View that allows for remote code execution. This flaw stems from how the management console program processes authentication over a TCP connection. Successful exploitation could lead to significant business disruption.

  • Vulnerable component: SKYSEA Client View management console
  • Core weakness: Flawed authentication processing
  • Main business impact: Remote code execution

Attack Path

How an attacker could exploit the issue

This vulnerability affects organizations using specific versions of SKYSEA Client View. An attacker could exploit a flaw in how the management console program processes authentication over a TCP connection. This could allow an attacker to gain unauthorized control over affected systems, potentially leading to significant business risk.

  • Exposure via TCP connection.
  • Attacker accesses management console.
  • Triggering flawed authentication.
  • Resulting remote code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability presents a significant risk due to its critical severity and the potential for remote code execution. Attackers with a high skill level could exploit this flaw to compromise systems, leading to substantial business disruption and data loss. The organization should treat this as a high-priority issue, focusing on immediate mitigation and remediation efforts.

  • Likely attacker skill level: High
  • Required access or conditions: Network access
  • Business risk or urgency: Critical

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

The identified vulnerability in SKYSEA Client View allows for remote code execution due to a flaw in processing authentication over a TCP connection with the management console. This could potentially impact the confidentiality, integrity, and availability of systems and data managed by the console. Organizations using affected versions should take immediate steps to address this risk.

  • Identify all SKYSEA Client View installations.
  • Isolate affected systems from the network.
  • Apply vendor updates and verify remediation.
  • Monitor for unauthorized access.

Frequently asked questions

What is SKYSEA Client View and what is it used for?

SKYSEA Client View is a management console program used for asset management within organizations. It helps manage and monitor client computers. The version 11.221.03 and earlier are affected by a vulnerability.

What kind of weakness does CVE-2016-7836 represent?

CVE-2016-7836 is an improper authentication vulnerability (CWE-287). This means it exploits a weakness in how the software verifies the identity of users or systems trying to connect, allowing unauthorized actions.

How can an attacker exploit this SKYSEA Client View vulnerability?

An attacker can exploit this flaw by sending specially crafted data over a TCP connection to the management console. This exploits a weakness in how the system processes authentication, potentially leading to remote code execution without needing any special privileges or user interaction.

Who should be concerned about the CVE-2016-7836 threat?

Organizations using SKYSEA Client View versions 11.221.03 and earlier should be concerned. While typically used internally, there's a possibility of it being reachable from the internet in some configurations, making it a potential external threat.

What is the first step for managing this SKYSEA Client View risk?

The first step is to identify all installations of SKYSEA Client View within your environment and determine if they are running a vulnerable version. If affected, consider isolating the systems from the network until a vendor update can be applied and verified.

References