pam_usb hardcoded keyring path and password handling vulnerability fix

Vulnerability Overview This vulnerability involves a hardcoded path for keyring authentication checks within the module. Specifically, during the authentication process, the password is read as raw data rather than being processed securely, which may lead to password leakage or authentication bypass. Impact Scope Affected Module: module Affected Files: - - Remediation Steps 1. Hardcoded Keyring Authentication Check Path: - In the file, the path for keyring authentication checks is hardcoded to ensure the correctness and security of the path. 2. Reading Password as Data: - In the file, ensure that the password is read as data rather than being processed through insecure methods. 3. Update Keyring Installer Test Expectations: - Update test cases to ensure the behavior of the keyring installer meets expectations, avoiding potential security issues. POC Code The following code snippets are relevant: ```python def test_password_file_is_not_sourced_as_shell(): text = SCRIPT.read_text() assert "KEYFILE=" in text assert "source" not in text assert "KEYFILE=" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text assert "UNLOCK_PASSWORD=$(grep" not in text asser

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pam_usb hardcoded keyring path and password handling vulnerability fix

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