Overview
The CVE-2022-38694 vulnerability affects BootRom. This vulnerability could potentially lead to a local escalation of privilege due to an unchecked write address. It carries a high severity rating due to its potential for system compromise or data leakage. This report provides an in-depth analysis of this cybersecurity flaw.
Vulnerability Summary
CVE ID: CVE-2022-38694
Severity: High, CVSS score of 7.8
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: This vulnerability could potentially lead to local escalation of privilege with no additional execution privileges needed, resulting in system compromise or data leakage.
Affected Products
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Product | Affected Versions
BootRom | All versions prior to vendor patch
How the Exploit Works
The exploit takes advantage of an unchecked write address within BootRom. An attacker with local access can write to an address without any checks, leading to a modification of sensitive data or code. This may further lead to a local escalation of privilege, giving the attacker unauthorized access and control over the system.
Conceptual Example Code
The following pseudocode illustrates how the vulnerability might be exploited:
# Attacker gains local access
access_system(target)
# Attacker writes to unchecked address
write_to_address(target, unchecked_address, malicious_payload)This pseudocode is purely conceptual and represents the steps an attacker might take to exploit this vulnerability. The actual exploit would require a much more complex and specific set of commands that are tailored to the target system.
Mitigation
The best mitigation for the CVE-2022-38694 vulnerability is to apply the vendor patch as soon as it is available. As a temporary measure, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to monitor for any suspicious activity. Regular monitoring of system logs and network traffic can also help in detecting any exploitation attempts.