CVE-2024-7569: Ivanti Neurons ITSM Information Disclosure

CVE-2024-7569 Overview

CVE-2024-7569 is a critical information disclosure vulnerability affecting Ivanti ITSM on-premises and Neurons for ITSM versions 2023.4 and earlier. This vulnerability allows an unauthenticated attacker to obtain the OIDC (OpenID Connect) client secret through exposed debug information. The exposure of authentication credentials poses a severe risk to enterprise IT service management infrastructure, potentially enabling attackers to impersonate legitimate services or gain unauthorized access to protected resources.

Critical Impact

Unauthenticated attackers can extract OIDC client secrets from debug information, potentially compromising authentication mechanisms and enabling unauthorized access to enterprise ITSM systems.

Affected Products

• Ivanti Neurons for ITSM 2023.2
• Ivanti Neurons for ITSM 2023.3
• Ivanti Neurons for ITSM 2023.4

Discovery Timeline

• August 13, 2024 - CVE-2024-7569 published to NVD
• September 6, 2024 - Last updated in NVD database

Technical Details for CVE-2024-7569

Vulnerability Analysis

This vulnerability falls under CWE-215 (Insertion of Sensitive Information Into Debug Information), where the application inadvertently exposes the OIDC client secret through debug output. OIDC client secrets are critical authentication credentials used to establish trust between the ITSM application and identity providers. When these secrets are exposed, attackers can leverage them to forge authentication tokens, bypass security controls, or impersonate the application when communicating with identity providers.

The vulnerability is particularly dangerous because it requires no authentication to exploit—an unauthenticated attacker with network access can obtain these secrets without any prior credentials or special privileges. This makes the vulnerability highly attractive for initial access attacks against enterprise environments.

Root Cause

The root cause of this vulnerability is improper handling of sensitive authentication credentials in debug output. The Ivanti Neurons for ITSM application logs or exposes the OIDC client secret in debug information that is accessible to unauthenticated users. This represents a failure to properly sanitize sensitive data before including it in debug or diagnostic output, violating secure coding practices for credential handling.

Attack Vector

The attack is network-based and can be executed remotely without any user interaction or prior authentication. An attacker with network access to the vulnerable Ivanti Neurons for ITSM instance can retrieve debug information containing the OIDC client secret. Once obtained, this secret can be used to:

1. Forge authentication requests to the identity provider
2. Impersonate the ITSM application in OIDC flows
3. Potentially gain access to user tokens and session information
4. Escalate privileges within the enterprise environment

The vulnerability does not require user interaction, making it suitable for automated scanning and exploitation at scale.

Detection Methods for CVE-2024-7569

Indicators of Compromise

• Unusual access patterns to debug endpoints or diagnostic URLs on Ivanti ITSM servers
• Unexpected authentication attempts using the OIDC client credentials from unfamiliar IP addresses
• Log entries showing repeated requests for debug or diagnostic information
• Anomalous token issuance or authentication flows through the identity provider

Detection Strategies

• Monitor network traffic for requests targeting known debug endpoints on Ivanti ITSM instances
• Implement alerting for authentication anomalies involving OIDC client credentials
• Review web server access logs for suspicious patterns targeting debug or diagnostic URLs
• Enable verbose logging on identity providers to detect unauthorized use of client secrets

Monitoring Recommendations

• Deploy network monitoring to identify reconnaissance activity targeting ITSM infrastructure
• Configure SIEM rules to correlate unusual access patterns with potential credential theft attempts
• Implement behavioral analytics to detect abnormal OIDC authentication flows
• Regularly audit access logs for evidence of debug information retrieval attempts

How to Mitigate CVE-2024-7569

Immediate Actions Required

• Apply the latest security patches from Ivanti immediately
• Rotate OIDC client secrets for all affected Ivanti Neurons for ITSM instances
• Review authentication logs for any suspicious activity indicating prior exploitation
• Restrict network access to ITSM instances to authorized networks only
• Disable or restrict access to debug endpoints in production environments

Patch Information

Ivanti has released security patches addressing this vulnerability. Organizations should upgrade to the latest supported version of Ivanti Neurons for ITSM as documented in the Ivanti Security Advisory. After applying patches, administrators should regenerate and rotate all OIDC client secrets to ensure any previously exposed credentials are invalidated.

Workarounds

• Implement network segmentation to limit access to Ivanti ITSM instances from trusted networks only
• Deploy a web application firewall (WAF) to filter requests targeting debug endpoints
• Disable debug mode and remove debug information exposure in production environments
• Monitor and alert on any access attempts to diagnostic or debug URLs
• Consider temporarily taking affected instances offline if patching cannot be performed immediately

# Example: Rotate OIDC client secrets after patching
# Consult Ivanti documentation for specific procedures

# 1. Verify current Ivanti Neurons for ITSM version
# Check the installed version matches the patched release

# 2. Regenerate OIDC client credentials in your identity provider
# This invalidates any potentially compromised secrets

# 3. Update Ivanti ITSM configuration with new credentials
# Follow Ivanti's official documentation for OIDC configuration

# 4. Test authentication flows to verify proper operation
# Ensure all authentication integrations function correctly