External risk intelligence

Pulse Connect Secure Arbitrary File Reading Vulnerability

CVE advisoryKnown Exploit

CVE-2019-11510

Organizations using Pulse Connect Secure may be affected by an arbitrary file reading vulnerability. This flaw allows attackers to access sensitive system files, potentially leading to data exposure and unauthorized access. The business risk includes compromised credentials and possible ransomware deployment.

5Halo Surface Signal

Path Traversal

Ivanti Connect Secure

8.28.39.0

External exposure likelihood

Halo Surface Signal score for CVE-2019-11510

This product is an SSL VPN gateway, which is designed by its nature to be deployed as an internet-facing edge service for remote access. Its primary function requires it to be reachable from the public internet to allow users to connect to internal networks.

Horizon Alert

Summary of the vulnerability and why it matters

The Pulse Connect Secure product is vulnerable to an arbitrary file reading flaw. This weakness allows an unauthenticated remote attacker to access sensitive files from the affected system. Such access could lead to significant business risk, potentially exposing confidential data.

  • Vulnerable Pulse Connect Secure
  • Flaw permits arbitrary file reading
  • Potential for data exposure

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker can exploit this vulnerability by sending a specially crafted request to an affected system. This request can lead to the disclosure of sensitive system files. Attackers can leverage this access to gather information that may aid in further compromising the organization's network.

  • Exposure condition: System accessible externally.
  • Attacker starting point: Unauthenticated remote access.
  • Trigger and result: Malicious request reveals sensitive files.

Live Threat

Current exploitation, exposure, and threat context

Attackers with a high skill level can exploit this vulnerability to access sensitive data. The exploit allows unauthenticated attackers to read arbitrary files from affected systems. The potential for widespread data compromise and system disruption necessitates immediate attention to mitigate associated business risks.

  • High attacker skill level needed.
  • Unauthenticated remote access required.
  • High business risk and urgency.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This critical vulnerability allows an unauthenticated remote attacker to read arbitrary files from an affected system. Successful exploitation could lead to the exposure of sensitive information, potentially impacting business operations and data integrity. Organizations should prioritize addressing this risk to protect their internal systems and data from unauthorized access.

  • Identify all affected systems.
  • Restrict network access to vulnerable systems.
  • Apply vendor updates and validate.
  • Monitor for related activity.

Frequently asked questions

What is Ivanti Connect Secure?

Ivanti Connect Secure is a SSL VPN solution designed to provide secure, controlled access to corporate data and applications for remote users and partners. It functions as a gateway, enabling users to connect to internal networks as if they were physically present.

How does the CVE-2019-11510 vulnerability function?

This vulnerability is a Path Traversal (CWE-22) flaw that allows an unauthenticated attacker to read arbitrary files from the system. By sending a specially crafted URI, the attacker can bypass access controls and retrieve sensitive information.

What is the specific weakness in CVE-2019-11510?

The weakness is CWE-22, Path Traversal. This occurs when an application uses user-controlled input to construct file paths without properly neutralizing special elements like '../', allowing access outside the intended directory.

What is the impact of CVE-2019-11510 on Ivanti Connect Secure?

Exploiting this vulnerability can allow an unauthenticated remote attacker to read sensitive system files, potentially leading to data exposure and further network compromise. This has been observed in targeted cyber-attacks.

What are the recommended actions for mitigating CVE-2019-11510?

To mitigate this vulnerability, organizations should apply patches and update Ivanti Connect Secure to recommended versions. Additionally, implementing network segmentation and monitoring for suspicious activity can help reduce risk.

References