Fix for 4 Vulnerabilities in Android APK Analyzer: AFR, CSRF, Zip Bomb, SSRF (CVE-2024-3967-3970)

Vulnerability Overview 1. Arbitrary File Read Vulnerability (CVE-2024-3967) - Description: Path traversal in ZIP/APK icon extraction allows the attribute to insert a file path from the APK manifest without validation, enabling the server to read arbitrary files. - Remediation: Added and guards in . 2. CSRF Checks Not Enforced (CVE-2024-3968) - Description: During the migration from the deprecated to , , , and were removed, disabling CSRF, HSTS, and clickjacking protection. - Remediation: All three middleware components have been restored to the active tuple. The block, which is no longer in use, has been removed to prevent future confusion. 3. Zip Bomb Denial of Service Vulnerability (CVE-2024-3969) - Description: In ZIP extraction, a warning is logged when the file size exceeds due to a missing statement. The fix involves bypassing this limitation by adding the missing . 4. SSRF Port Limitation Bypass Vulnerability (CVE-2024-3970) - Description: was called with only the bare hostname, allowing an to be appended without port validation, thereby bypassing HTTPS/HTTPS-only restrictions. The fix employs a two-layer approach: a primary port allow-list check in and a deep inspection in . Impact Scope Arbitrary File Read: May allow attackers to read arbitrary files on the server. CSRF Checks Not Enforced: May lead to Cross-Site Request Forgery (CSRF) attacks. Zip Bomb Denial of Service: May lead to server resource exhaustion, impacting service availability. SSRF Port Limitation Bypass: May enable the server to make unauthorized requests to internal networks. Remediation 1. Arbitrary File Read - Add and guards in . 2. CSRF Checks Not Enforced - Restore , , and to the active tuple. 3. Zip Bomb Denial of Service - Add the missing statement during ZIP extraction. 4. SSRF Port Limitation Bypass - Add a primary port allow-list check in and a deep inspection in . POC Code or Exploit Code No specific POC code or exploit code is provided in the document.

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Fix for 4 Vulnerabilities in Android APK Analyzer: AFR, CSRF, Zip Bomb, SSRF (CVE-2024-3967-3970)

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