CVE-2018-1712
Cross-Site Request Forgery (CSRF) in IBM API Connect's Developer Portal 5
Executive Summary
CVE-2018-1712 is a high severity vulnerability affecting appsec. It is classified as CSRF. Ensure your systems and dependencies are patched immediately to mitigate exposure risks.
Precogs AI Insight
"Precogs AI Analysis Engine identifies this vulnerability class through semantic code analysis powered by Code Property Graph (CPG) technology, performing inter-procedural taint tracking to detect injection flaws, broken authentication, and insecure data flows across your entire codebase."
What is this vulnerability?
CVE-2018-1712 is categorized as a high Cross-Site Request Forgery (CSRF) flaw with a CVSS base score of 8.6. Based on our vulnerability intelligence, this issue occurs when the application fails to securely handle untrusted data boundaries.
IBM API Connect's Developer Portal 5.0.0.0 through 5.0.8.3 is vulnerable to Server Side Request Forgery. An attacker, using specially crafted input parameters can trick the server into making potentially malicious calls within the trusted network. IBM X-Force ID: 146370.
This architectural defect enables adversaries to bypass intended security controls, directly manipulating the application's execution state or data layer. Immediate strategic intervention is required.
Risk Assessment
| Metric | Value |
|---|---|
| CVSS Base Score | 8.6 (HIGH) |
| Vector String | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
| Published | August 16, 2018 |
| Last Modified | November 21, 2024 |
| Related CWEs | CWE-352 |
Impact on Systems
✅ Data Exfiltration: Attackers can extract sensitive data from backend databases, configuration files, or internal services.
✅ Authentication Bypass: Exploiting this flaw may allow unauthorized access to protected resources and administrative interfaces.
✅ Lateral Movement: Once initial access is gained, attackers can pivot to internal systems and escalate privileges.
How to Fix and Mitigate CVE-2018-1712
- Apply Vendor Patches: Upgrade affected components to their latest, non-vulnerable versions immediately.
- Implement Input Validation: Ensure all user-supplied data is validated, sanitized, and type-checked before processing.
- Deploy Runtime Protection: Use Precogs continuous monitoring to detect exploitation attempts in real time.
- Audit Dependencies: Review and update all third-party libraries and transitive dependencies.
Defending with Precogs AI
Precogs AI Analysis Engine identifies this vulnerability class through semantic code analysis powered by Code Property Graph (CPG) technology, performing inter-procedural taint tracking to detect injection flaws, broken authentication, and insecure data flows across your entire codebase.
Use Precogs to continuously scan your codebase, binaries, APIs, and infrastructure for this vulnerability class and related attack patterns. Our AI-powered detection engine combines static analysis with threat intelligence to identify exploitable weaknesses before attackers do.
Vulnerability Code Signature
Attack Data Flow
| Stage | Detail |
|---|---|
| Source | Malicious third-party website |
| Vector | Cross-site request leveraging authenticated session cookies |
| Sink | State-changing server endpoint without CSRF protection |
| Impact | Unauthorized actions performed on behalf of the victim (e.g., password change, fund transfer) |
Vulnerable Code Pattern
// ❌ VULNERABLE: Missing CSRF token validation
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
// Taint sink: state change without anti-forgery check
update_user_email($_POST['email']);
echo "Email updated successfully.";
}
Secure Code Pattern
// ✅ SECURE: Anti-forgery token validation
session_start();
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
if (!hash_equals($_SESSION['csrf_token'], $_POST['csrf_token'])) {
die("CSRF token validation failed.");
}
// Sanitized state change
update_user_email($_POST['email']);
echo "Email updated successfully.";
}
How Precogs Detects This
Precogs API Security Engine comprehensively audits all state-changing web endpoints to ensure strict anti-forgery token validation.