CVE-2022-36848 - Incorrect Authorization

Severity

55%

Complexity

18%

Confidentiality

60%

Improper Authorization vulnerability in setDualDARPolicyCmd prior to SMR Sep-2022 Release 1 allows local attackers to cause local permanent denial of service.

CVSS 3.1 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Demo Examples

Incorrect Authorization

CWE-863

The following code could be for a medical records application. It displays a record to already authenticated users, confirming the user's authorization using a value stored in a cookie.


               
}
}
setcookie("role", $role, time()+60*60*2);
die("\n");
DisplayMedicalHistory($_POST['patient_ID']);
die("You are not Authorized to view this record\n");

The programmer expects that the cookie will only be set when getRole() succeeds. The programmer even diligently specifies a 2-hour expiration for the cookie. However, the attacker can easily set the "role" cookie to the value "Reader". As a result, the $role variable is "Reader", and getRole() is never invoked. The attacker has bypassed the authorization system.

Overview

First reported 2 years ago

2022-09-09 15:15:00

Last updated 2 years ago

2022-09-10 03:47:00

Affected Software

Google Android 10.0

10.0

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