In btmaclencryptchange of btmacl.cc, there is a possible way for a remote device to turn off encryption without resulting in a terminated connection due to an unusual root cause. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.
{ "vanir_signatures": [ { "match_only_versions": [ "13-next" ], "digest": { "threshold": 0.9, "line_hashes": [ "241032498162732168686061127771743415680", "62624935660486018377174287721292672681", "4014527410623786816410966539760505244", "57592825137004076501030716370016162946", "52690535422915533867537736217217248989", "170954045258885978977664806581018799305", "183413448801447165731366794327360103872" ] }, "id": "PUB-A-251436534-e875d98a", "source": "https://android.googlesource.com/platform/packages/modules/Bluetooth/+/1ee290b87b23c30d4389c2de283e01f72b2db17a", "deprecated": false, "signature_version": "v1", "target": { "file": "system/stack/acl/btm_acl.cc" }, "signature_type": "Line" }, { "match_only_versions": [ "13-next" ], "digest": { "length": 1011.0, "function_hash": "277956072962540203230142099701362386203" }, "id": "PUB-A-251436534-f7f60429", "source": "https://android.googlesource.com/platform/packages/modules/Bluetooth/+/1ee290b87b23c30d4389c2de283e01f72b2db17a", "deprecated": false, "signature_version": "v1", "target": { "file": "system/stack/acl/btm_acl.cc", "function": "btm_acl_encrypt_change" }, "signature_type": "Function" } ], "fixes": [ "https://android.googlesource.com/platform/packages/modules/Bluetooth/+/1ee290b87b23c30d4389c2de283e01f72b2db17a" ], "spl": "2023-06-01", "severity": "Moderate", "types": [ "ID" ] }