External risk intelligence

TeoBASE can be bypassed allowing attackers to gain access and control.

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-6153

An external attacker can bypass the login screen of TeoSOFT TeoBASE without a password. This allows them to gain complete administrative control of the application, putting sensitive files and user directories at risk of being stolen.

2Halo Surface Signal

Authentication Bypass

External exposure likelihood

Halo Surface Signal score for CVE-2023-6153

TeoBASE is an enterprise Geographic Information System (GIS) library and application suite used by public sector organizations and municipalities. It is typically deployed within internal networks or behind firewalls to manage spatial data, making public internet exposure uncommon.

Horizon Alert

Summary of the vulnerability and why it matters

This critical vulnerability in TeoSOFT Software's TeoBASE allows unauthorized access by bypassing authentication. This means someone could potentially gain entry to the system without proper credentials, which could lead to significant data compromise or system disruption. Teams should pay close attention as this could affect sensitive information.

  • Unauthorized access to systems.
  • Potential for data theft or damage.
  • Affects TeoBASE installations.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker can bypass authentication to gain unauthorized access to the TeoBASE application. This could be leveraged to access sensitive data or perform actions within the application as if they were a legitimate user.

  • No authentication required.
  • Targets TeoBASE's authentication mechanism.
  • Exploitable over the network.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows for authentication bypass, which is highly desirable for attackers. The vendor's lack of response suggests that patches may not be readily available. Without public exploit code or known exploitation, the immediate threat is uncertain but the potential impact remains significant for any exposed instances.

  • Authentication bypass is a prime target.
  • Vendor did not respond.
  • No public exploit observed.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Given this is a critical vulnerability with no vendor response, prioritize immediate containment and monitoring of any TeoBASE instances. Focus on confirming if any systems are accessible externally or if internal reconnaissance activity is observed.

  • Isolate potentially affected systems.
  • Monitor network traffic for suspicious TeoBASE activity.
  • Investigate access logs for unauthorized entries.

Frequently asked questions

What is TeoBASE and its primary use case?

TeoBASE is a Geographic Information System (GIS) library and application suite. It is primarily used by public sector organizations and municipalities for managing spatial data.

How does CVE-2023-6153 enable unauthorized access?

CVE-2023-6153 is an Authentication Bypass vulnerability. This allows an attacker to circumvent the normal login process and access the TeoBASE system without valid credentials, exploiting a weakness in its primary authentication mechanism.

What is needed for an attacker to exploit CVE-2023-6153?

An attacker can exploit CVE-2023-6153 remotely and does not require any prior authentication or privileges. The attack complexity is low, and it affects TeoBASE installations.

What is the relevance of CVE-2023-6153 based on threat intelligence?

While there is no known exploit code available, the authentication bypass weakness is highly sought after by attackers. The vendor's non-response to the disclosure introduces uncertainty regarding patch availability, making it crucial to monitor any TeoBASE instances for suspicious activity.

What is the recommended immediate action for CVE-2023-6153?

Given the critical nature of this vulnerability and the vendor's lack of response, immediate containment and monitoring of TeoBASE instances are advised. Focus on verifying external accessibility and observing for any internal reconnaissance attempts.

References