CVE-2024-2887 in Chrome
Summary
by MITRE • 03/26/2024
Type Confusion in WebAssembly in Google Chrome prior to 123.0.6312.86 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 04/13/2025
The vulnerability identified as CVE-2024-2887 represents a critical type confusion flaw within Google Chrome's WebAssembly implementation that existed prior to version 123.0.6312.86. This issue falls under the broader category of memory safety vulnerabilities and specifically manifests as a type confusion error that can be exploited remotely through malicious web content. The vulnerability stems from improper type checking mechanisms within the WebAssembly interpreter component of the Chromium browser engine, creating a pathway for attackers to manipulate object types and execute arbitrary code on affected systems. The flaw demonstrates the inherent complexity of WebAssembly execution environments and their interaction with browser memory management systems, where type information can become corrupted or misinterpreted during runtime operations.
The technical exploitation of this vulnerability relies on the attacker crafting a specially designed HTML page that contains malicious WebAssembly code. When Chrome processes this content, the type confusion error occurs during the WebAssembly module validation or execution phase, allowing the attacker to manipulate memory layout and object references. This particular vulnerability aligns with CWE-128, which describes "Wrap-around Error" and relates to improper handling of type information in memory management contexts. The attack vector operates through the browser's JavaScript engine interface with WebAssembly, where the type system fails to properly validate or enforce type boundaries, creating opportunities for memory corruption and code execution. The Chromium security severity classification of High indicates the significant risk this vulnerability poses to users, as it requires no user interaction beyond visiting a malicious webpage and can lead to complete system compromise.
The operational impact of CVE-2024-2887 extends beyond simple code execution, as it can enable attackers to bypass modern security mitigations such as address space layout randomization and data execution prevention mechanisms. The vulnerability's remote exploitation capability makes it particularly dangerous in the context of browser-based attacks, where users may unknowingly visit compromised websites or be tricked into clicking malicious links. Attackers can leverage this flaw to perform privilege escalation attacks, install malware, steal sensitive data, or establish persistent backdoors on victim systems. The vulnerability affects all users running Chrome versions prior to 123.0.6312.86, making it a widespread concern for organizations and individual users who have not yet updated their browsers. This type of vulnerability also demonstrates the challenges in securing complex software ecosystems where multiple components interact, as issues in one subsystem can compromise the entire browser security model.
Mitigation strategies for CVE-2024-2887 primarily focus on immediate browser updates to versions 123.0.6312.86 or later, which contain patches addressing the underlying type confusion issue. Organizations should implement robust patch management processes to ensure all systems receive updates promptly, particularly in enterprise environments where browser security is critical. Additional protective measures include implementing web content filtering solutions, enabling sandboxing features, and maintaining up-to-date antivirus signatures that can detect exploitation attempts. The vulnerability's characteristics align with ATT&CK technique T1059.007, which covers "Command and Scripting Interpreter: JavaScript,' indicating that attackers can leverage this vulnerability as part of broader attack chains involving browser-based exploitation. Network administrators should also monitor for suspicious web traffic patterns and implement browser hardening policies that restrict WebAssembly execution in sensitive environments. Given the high severity classification, organizations should prioritize immediate remediation and consider implementing temporary security controls while updates are deployed.