CVE-2025-0612 in Chrome
Summary
by MITRE • 01/22/2025
Out of bounds memory access in V8 in Google Chrome prior to 132.0.6834.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 02/09/2025
The vulnerability identified as CVE-2025-0612 represents a critical out-of-bounds memory access flaw within the V8 JavaScript engine used in Google Chrome browsers prior to version 132.0.6834.110. This issue falls under the broader category of memory safety vulnerabilities that can lead to heap corruption and potentially enable remote code execution. The vulnerability is classified as high severity by Chromium security team, indicating the potential for significant impact when exploited by malicious actors.
The technical flaw manifests in the V8 engine's handling of memory operations during JavaScript execution, specifically when processing crafted HTML content. When a malicious webpage contains specially constructed JavaScript or HTML elements, the V8 engine fails to properly validate memory boundaries during object allocation or manipulation. This memory corruption occurs in the heap memory management system where the engine stores dynamically allocated objects and data structures. The out-of-bounds access allows attackers to overwrite adjacent memory locations, potentially corrupting critical data structures or even executing arbitrary code.
The operational impact of this vulnerability extends beyond simple browser compromise as it enables remote attackers to exploit the flaw through web-based attacks without requiring any local interaction from the user. A victim visiting a malicious webpage would be automatically vulnerable to exploitation, making this a particularly dangerous class of vulnerability. The heap corruption resulting from this flaw could lead to various outcomes including browser crashes, data leakage, or more severely, full system compromise depending on the execution context and memory layout. Attackers could leverage this vulnerability to bypass security mitigations such as address space layout randomization and data execution prevention mechanisms.
This vulnerability aligns with CWE-129, which covers improper validation of array indices, and CWE-787, which addresses out-of-bounds write operations. The attack pattern follows the typical remote code execution vector described in MITRE ATT&CK framework under technique T1203, specifically targeting browser-based attack surfaces. The exploitation chain likely involves crafting malicious HTML content that triggers the vulnerable code path in V8, potentially followed by additional techniques such as return-oriented programming or just-in-time compilation exploitation to achieve remote code execution. Organizations should immediately apply the security patch available in Chrome version 132.0.6834.110 or later, as the vulnerability represents a high-risk threat that can be exploited without user interaction. Network defenders should also consider implementing web application firewalls and content filtering solutions to block known malicious domains while monitoring for exploitation attempts targeting this specific vulnerability.