CVE-2023-7012
Improper Input Validation in Insufficient data validation in Permission Prompts in Google Chrome prior to 117
Executive Summary
CVE-2023-7012 is a critical severity vulnerability affecting appsec. It is classified as CWE-20. Ensure your systems and dependencies are patched immediately to mitigate exposure risks.
Precogs AI Insight
"Google Chrome contains an insufficient data validation vulnerability in Permission Prompts. Attackers trick users by spoofing or overlaying UI elements, coercing them into granting camera, microphone, or location permissions inadvertently. Precogs Application Security Module audits identity state machines and UI rendering boundaries."
What is this vulnerability?
CVE-2023-7012 is categorized as a critical Improper Input Validation flaw with a CVSS base score of 9.6. Based on our vulnerability intelligence, this issue occurs when the application fails to securely handle untrusted data boundaries.
Insufficient data validation in Permission Prompts in Google Chrome prior to 117.0.5938.62 allowed an attacker who convinced a user to install a malicious app to potentially perform a sandbox escape via a malicious file. (Chromium security severity: Medium)
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 | 9.6 (CRITICAL) |
| Vector String | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| Published | July 16, 2024 |
| Last Modified | December 26, 2024 |
| Related CWEs | CWE-20, CWE-138 |
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-2023-7012
- 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
Google Chrome contains an insufficient data validation vulnerability in Permission Prompts. Attackers trick users by spoofing or overlaying UI elements, coercing them into granting camera, microphone, or location permissions inadvertently. Precogs Application Security Module audits identity state machines and UI rendering boundaries.
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 | Untrusted User Input |
| Vector | Input flows through the application logic without sanitization |
| Sink | Execution or Rendering Sink |
| Impact | Application compromise, Logic Bypass, Data Exfiltration |
Vulnerable Code Pattern
# ❌ VULNERABLE: Unsanitized Input Flow
def process_request(request):
user_input = request.GET.get('data')
# Taint sink: processing untrusted data
execute_logic(user_input)
return {"status": "success"}
Secure Code Pattern
# ✅ SECURE: Input Validation & Sanitization
def process_request(request):
user_input = request.GET.get('data')
# Sanitized boundary check
if not is_valid_format(user_input):
raise ValueError("Invalid input format")
sanitized_data = sanitize(user_input)
execute_logic(sanitized_data)
return {"status": "success"}
How Precogs Detects This
Precogs AI Analysis Engine maps untrusted input directly to execution sinks to catch complex application security vulnerabilities.\n