CVE-2022-3308 in Edge
Summary
by MITRE • 11/02/2022
Insufficient policy enforcement in developer tools in Google Chrome prior to 106.0.5249.62 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chrome security severity: Medium)
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Analysis
by VulDB Data Team • 11/05/2022
The vulnerability identified as CVE-2022-3308 represents a critical flaw in Google Chrome's developer tools implementation that could potentially enable remote attackers to bypass sandbox protections. This issue affected Chrome versions prior to 106.0.5249.62 and was classified with a medium severity rating by Chrome's security team. The vulnerability stems from insufficient policy enforcement mechanisms within the developer tools component, creating a pathway for malicious actors to exploit the browser's security model. The flaw specifically targets the sandbox escape mechanism, which is fundamental to Chrome's security architecture that isolates different browser components to prevent unauthorized access and privilege escalation.
The technical implementation of this vulnerability involves a weakness in how Chrome's developer tools handle certain policy enforcement checks during page rendering and execution. When a malicious HTML page is crafted to exploit this flaw, it can potentially manipulate the developer tools' access controls to gain elevated privileges within the browser environment. This type of sandbox escape represents a significant threat because it allows attackers to circumvent the isolation mechanisms that protect users from malicious code execution. The vulnerability specifically affects the interaction between the developer tools and the browser's security policies, where inadequate validation of tool access permissions creates an exploitable gap in the security model. This weakness enables attackers to craft malicious web content that can manipulate the developer tools' behavior to achieve unauthorized access to system resources.
The operational impact of CVE-2022-3308 extends beyond simple browser compromise, as it represents a potential escalation vector that could lead to more severe security breaches. Attackers exploiting this vulnerability could potentially access sensitive user data, execute arbitrary code on the victim's system, or gain access to system resources that should remain isolated from web content. The medium severity classification reflects the fact that while this vulnerability requires user interaction through a crafted webpage, the potential consequences of successful exploitation are significant enough to warrant immediate remediation. The attack scenario typically involves social engineering elements where users must be tricked into visiting malicious websites, but once the exploit is triggered, the consequences can be severe. This vulnerability directly impacts the core security principles of browser sandboxing and demonstrates how developer tools, when not properly secured, can become attack vectors that undermine the entire security architecture.
Mitigation strategies for CVE-2022-3308 focus primarily on updating to Chrome version 106.0.5249.62 or later, which contains the necessary patches to address the insufficient policy enforcement issue. Organizations should implement comprehensive patch management procedures to ensure all Chrome installations are updated promptly. Additionally, security teams should consider implementing network-level protections such as content filtering and web application firewalls to detect and block malicious web content. The vulnerability aligns with CWE-693, which addresses protection mechanism failures, and maps to ATT&CK technique T1059.001 for command and scripting interpreter, as successful exploitation could enable attackers to execute arbitrary commands. Browser vendors and security professionals should also consider implementing additional monitoring for unusual developer tool activity and maintain awareness of similar vulnerabilities in browser components. Regular security assessments of browser security models and developer tool configurations can help identify potential weaknesses before they can be exploited by malicious actors.