BlueZ A2DP Stream Endpoint Discovery Fix & Security Tests

Vulnerability Overview This commit (Commit fc288fc) fixes additional handling logic for stream endpoints in the module, primarily involving the invocation of the function. Impact Scope Affected Files: - : Modified the calling logic of the function. - : Updated the test build configuration. - : Updated test cases to include tests for . Fix Details Code Changes: - In , the invocation of was modified to ensure the function is called correctly under specific conditions. - In , test cases for were added to verify its functional correctness. POC Code or Exploit Code ```cpp // Modification in a2dp.c if (sep_type == a2dp_config_process_sep_discovery) { a2dp_config_process_sep_discovery(sep); } // Test case in a2dp_test.cpp TEST(GROUP_A2DP) { void setup() { a2dp_connection a2dp_connection; a2dp_connection.a2dp_source_config_process_state = A2DP_ML_DISCOVER_SEPS; a2dp_init(); } TEST(a2dp_ignore_seps_beyond_discovery_capacity) { uint8_t event[1]; a2dp_ignore_seps_beyond_discovery_capacity(); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection); a2dp_config_process_sep_discovery(a2dp_connection);

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BlueZ A2DP Stream Endpoint Discovery Fix & Security Tests

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