How the CVE Works:
CVE-2025-1426 is a heap buffer overflow vulnerability in the GPU component of Google Chrome on Android. It occurs due to improper memory handling when processing specially crafted HTML pages. An attacker can exploit this flaw by tricking a user into visiting a malicious webpage, triggering heap corruption. The corrupted memory can lead to arbitrary code execution within the context of the Chrome sandbox, potentially allowing further system compromise. The vulnerability stems from insufficient bounds checking during GPU-accelerated rendering operations, enabling an out-of-bounds write.
DailyCVE Form:
Platform: Google Chrome (Android)
Version: < 133.0.6943.126
Vulnerability: Heap buffer overflow
Severity: High
Date: 04/07/2025
What Undercode Say:
Exploitation:
1. Craft malicious HTML leveraging GPU rendering flaws.
2. Trigger overflow via WebGL or canvas operations.
3. Bypass ASLR using heap grooming techniques.
Detection:
grep -r "gpu::BufferAllocation" /path/to/chrome/src
Mitigation:
1. Update Chrome to version 133.0.6943.126+.
2. Disable WebGL temporarily:
chrome://flags/disable-webgl
3. Enable Site Isolation:
{
"site_per_process": true
}
PoC (Conceptual):
<canvas id="exploit"></canvas>
<script>
let ctx = document.getElementById("exploit").getContext("webgl");
// Malicious buffer overflow trigger
ctx.bufferData(ctx.ARRAY_BUFFER, new Float32Array(228), ctx.STATIC_DRAW);
</script>
Debugging:
adb logcat | grep -i "chromium_gpu"
References:
Analytics:
- Attack Vector: Remote (Web)
- Complexity: Low (No user interaction beyond page load)
- CVSS 4.0: 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
References:
Reported By: https://nvd.nist.gov/vuln/detail/CVE-2025-1426
Extra Source Hub:
Undercode
