CVE-2024-38219
Access of Resource Using Incompatible Type in Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Executive Summary
CVE-2024-38219 is a medium severity vulnerability affecting binary-analysis. It is classified as CWE-843. Ensure your systems and dependencies are patched immediately to mitigate exposure risks.
Precogs AI Insight
"Microsoft Edge (Chromium-based) contains a remote code execution vulnerability (e.g., V8 memory corruption). Attackers trick users into visiting a malicious website, triggering a use-after-free or type confusion error to execute arbitrary code within the sandbox. Precogs Binary SAST uncovers complex memory management flaws in JIT compilers."
What is this vulnerability?
CVE-2024-38219 is categorized as a medium Access of Resource Using Incompatible Type flaw with a CVSS base score of 6.5. Based on our vulnerability intelligence, this issue occurs when the application fails to securely handle untrusted data boundaries.
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
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 | 6.5 (MEDIUM) |
| Vector String | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L |
| Published | August 12, 2024 |
| Last Modified | August 29, 2024 |
| Related CWEs | CWE-843, CWE-843 |
Impact on Systems
✅ Remote Code Execution: Attackers can overwrite the instruction pointer to redirect execution to malicious shellcode.
✅ Memory Corruption: Overwriting adjacent memory regions can corrupt critical application state, leading to privilege escalation.
✅ Denial of Service: Triggering segmentation faults results in immediate disruption of critical systems.
How to Fix and Mitigate CVE-2024-38219
- 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
Microsoft Edge (Chromium-based) contains a remote code execution vulnerability (e.g., V8 memory corruption). Attackers trick users into visiting a malicious website, triggering a use-after-free or type confusion error to execute arbitrary code within the sandbox. Precogs Binary SAST uncovers complex memory management flaws in JIT compilers.
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 | Network packet or file input |
| Vector | Data exceeds the allocated buffer bounds during a copy operation |
| Sink | strcpy(), memcpy(), or pointer arithmetic |
| Impact | Memory corruption, Remote Code Execution (RCE) |
Vulnerable Code Pattern
// ❌ VULNERABLE: Memory Corruption
void process_data(char *input) {
char buffer[128];
// Taint sink: copies without bounds checking
strcpy(buffer, input);
}
Secure Code Pattern
// ✅ SECURE: Bounded Memory Operations
void process_data(char *input) {
char buffer[128];
// Sanitized boundary check
strncpy(buffer, input, sizeof(buffer) - 1);
buffer[sizeof(buffer) - 1] = '\0';
}
How Precogs Detects This
Precogs Binary SAST engine explicitly uncovers memory boundary violations and unsafe memory management functions in compiled binaries.\n