{"id":84431,"date":"2025-10-23T17:27:16","date_gmt":"2025-10-23T17:27:16","guid":{"rendered":""},"modified":"2025-11-02T23:12:19","modified_gmt":"2025-11-03T05:12:19","slug":"cve-2022-38695-unchecked-command-index-leading-to-local-privilege-escalation","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2022-38695-unchecked-command-index-leading-to-local-privilege-escalation\/","title":{"rendered":"CVE-2022-38695: Unchecked Command Index Leading to Local Privilege Escalation<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The recently identified vulnerability CVE-2022-38695 is a serious cybersecurity concern as it can lead to local escalation of privilege in BootRom. This flaw can affect any system running the vulnerable version of BootRom, allowing unauthorized users to escalate their privileges without needing additional execution rights. The severity of this vulnerability<\/a> makes it a significant cybersecurity issue that requires immediate attention.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2022-38695
\nSeverity: High (CVSS: 7.8)
\nAttack Vector: Local
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise<\/a> or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

BootRom | All versions prior to patch<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability exists due to an unchecked<\/a> command index in BootRom. An attacker can exploit this flaw by sending specially crafted commands to the BootRom. Since the command index is not properly validated, the attacker can manipulate it to execute privileged commands<\/a>. This can result in unauthorized access to sensitive information or even full control<\/a> over the affected system.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following is a conceptual example of how this vulnerability might be exploited:<\/p>\n

$ bootrom_cmd --index 0xFFFFFFFF --command \"get_privileges\"<\/code><\/pre>\n
In this example, the attacker uses the `bootrom_cmd` tool with an unchecked command index (`0xFFFFFFFF`) to execute the privileged command<\/a> `get_privileges`. This could potentially grant the attacker escalated privileges<\/a> on the system.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
To mitigate this vulnerability, it is recommended to apply the vendor-provided patch. In the absence of a patch, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by monitoring and blocking suspicious activities. Regularly updating and patching your systems can significantly reduce the risk of such vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The recently identified vulnerability CVE-2022-38695 is a serious cybersecurity concern as it can lead to local escalation of privilege in BootRom. This flaw can affect any system running the vulnerable version of BootRom, allowing unauthorized users to escalate their privileges without needing additional execution rights. The severity of this vulnerability makes it a significant […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-84431","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t