CVE-2022-2743 in Chrome
Summary
by MITRE • 01/03/2023
Integer overflow in Window Manager in Google Chrome on Chrome OS and Lacros prior to 104.0.5112.79 allowed a remote attacker who convinced a user to engage in specific UI interactions to perform an out of bounds memory write via crafted UI interactions. (Chrome security severity: High)
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Analysis
by VulDB Data Team • 05/27/2026
This vulnerability represents a critical integer overflow flaw within the window manager component of Google Chrome operating on Chrome OS and Lacros environments. The issue arises from insufficient input validation and boundary checking mechanisms that fail to properly handle large integer values during UI interaction processing. The vulnerability is classified as high severity by Chrome security team due to its potential for remote code execution through carefully crafted user interface interactions. Attackers can exploit this weakness by convincing victims to perform specific UI operations that trigger the overflow condition, leading to memory corruption.
The technical implementation of this vulnerability stems from improper integer arithmetic handling within the window manager's memory allocation and rendering processes. When processing user interface elements, the system fails to validate that integer values remain within acceptable bounds before performing memory operations. This allows an attacker to manipulate UI interaction parameters to cause integer overflow conditions that result in out-of-bounds memory writes. The flaw specifically affects Chrome versions prior to 104.0.5112.79 where the window manager component lacked proper overflow detection mechanisms. This vulnerability aligns with CWE-190, Integer Overflow or Wraparound, which describes situations where integer arithmetic produces results that exceed the maximum value representable by the data type.
The operational impact of this vulnerability extends beyond simple memory corruption to potentially enable remote code execution in the context of the Chrome process. An attacker who successfully exploits this vulnerability can write data to arbitrary memory locations, potentially overwriting critical program structures or executing malicious code. The attack requires user interaction through specific UI engagements, making it a remote exploit that leverages social engineering techniques to deliver the payload. This makes the vulnerability particularly dangerous in environments where users may encounter untrusted content or be诱导 into performing specific actions. The exploit demonstrates characteristics consistent with ATT&CK technique T1059.007, Command and Scripting Interpreter: PowerShell, where crafted inputs trigger system-level operations through legitimate user interface pathways.
Mitigation strategies for this vulnerability require immediate patching of Chrome installations to version 104.0.5112.79 or later, which includes proper integer overflow protections and boundary checking mechanisms. Organizations should implement comprehensive browser update policies and consider deploying automated patch management solutions to ensure timely remediation across all Chrome OS and Lacros environments. Additional defensive measures include network-based filtering to block suspicious UI interaction patterns and enhanced user awareness training to reduce successful social engineering attempts. The fix addresses the underlying integer overflow by implementing proper input validation, range checking, and overflow detection mechanisms within the window manager's memory handling routines. Security monitoring should focus on detecting anomalous UI interaction patterns that might indicate exploitation attempts, particularly in environments where users interact with untrusted web content.