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GlobalConfusion: TrustZone Trusted Application 0-Days by Design

This repository contains the artifacts for our USENIX SEC'24 paper GlobalConfusion: TrustZone Trusted Application 0-Days by Design.

If you use our artifacts or want to refer to "GlobalConfusion" in a scientific publication, we would appreciate a citation using this Bibtex entry:

@inproceedings{busch2024globalconfusion,
  author       = {Marcel Busch and
                  Philipp Mao and
                  Mathias Payer},
  title        = {GlobalConfusion: TrustZone Trusted Application 0-Days by Design},
  booktitle    = {33st {USENIX} Security Symposium, {USENIX} Security 2024, Philadelphia,
                  PA, USA, August 14-16, 2024},
  publisher    = {{USENIX} Association},
  year         = {2024},
  url          = {https://www.usenix.org/conference/usenixsecurity24/presentation/busch1}
}

SETUP 🔧

We tested our setup on Ubuntu 22.04.2 using Docker version 23.0.1 and the docker-compose plugin version 1.29.2.

make build # docker compose build the images

HOWTO

Under data/new/, you can find two pre-compiled TA binaries (000cafee-*.elf and 001cafee-*.elf). The corresponding source code can be found in test/00{0,1}-tipi. 000cafee does not contain the GP type-confusion vulnerability while 001cafee does.

When running the analyses against specific binaries, you can provide the TARGET, the TEE, and a TIMEOUT (TEE={vivo_kinibi,oppo_kinibi,qualcomm,mitee}). The binaries have to be in data/new/ when using the docker setup.

To analyze the two pre-compiled binaries run:

make run-tipi TARGET=000cafee-2450-11e4-abe2-0002a5d5c51b.elf TEE=optee TIMEOUT=600
make run-tipi TARGET=001cafee-2450-11e4-abe2-0002a5d5c51b.elf TEE=optee TIMEOUT=600

The results will be stored in a TA-specific directory under data/analysis/:

data/analysis/000cafee-2450-11e4-abe2-0002a5d5c51b.elf:
report.json

data/analysis/001cafee-2450-11e4-abe2-0002a5d5c51b.elf:
report.json

The report.json contains the analysis results. Each report should contain a key is_vuln with a boolean value that indicates if the TA is vulnerable to the GP type-confusion bug.

Function Detection in Stripped TAs

TA TEE Stripped GP-Compliant Detected Dataset Path
vtrust.elf QSEE x x x /fw/vivo/v29e/240101/tas/vtrust.elf
eid.mbn QSEE x x x /fw/oppo/find_x3_pro/220122/tas/eid.mbn
secstor2.elf QSEE x x x /fw/samsung/SM-A9200/CHC/A9200ZCU3CTF3/A9200ZCU3CTF3/secstor2.elf
tz_kg.elf QSEE x /fw/samsung/SM-S921U/DSA/S921USQU1AWM9/S921USQU1AWM9/tz_kg.elf
alipay.elf QSEE x /fw/vivo/v29e/240101/tas/alipay.elf
eseservi.elf QSEE x /fw/oppo/a92/230209/tas/eseservi.elf
655a4b46-cd77-11ea-aafbf382a6988e7b.ta.elf MiTEE x x x /fw/xiaomi/gold/global/V14.0.1.0.TNQMIXM/V14.0.1.0.TNQMIXM/tas/655a4b46-cd77-11ea-aafbf382a6988e7b.ta.elf
e97c270e-a5c4-4c58-bcd3384a2fa2539e.ta.elf MiTEE x x x /fw/xiaomi/gold/global/V14.0.1.0.TNQMIXM/V14.0.1.0.TNQMIXM/tas/e97c270e-a5c4-4c58-bcd3384a2fa2539e.ta.elf
14b0aad8-c011-4a3f-b66aca8d0e66f273.ta.elf MiTEE x x x /fw/xiaomi/gold/global/V14.0.1.0.TNQMIXM/V14.0.1.0.TNQMIXM/tas/14b0aad8-c011-4a3f-b66aca8d0e66f273.ta.elf
05060000000000000000000000009578.tabin Kinibi x x x /fw/vivo/y73/240101/tas/05060000000000000000000000009578.tabin
a2d1038963f25c97be80d40f2d498582.tabin Kinibi x x x /fw/vivo/y33s/220308/tas/a2d1038963f25c97be80d40f2d498582.tabin
09010000000000000000000000000000.tabin Kinibi x x x /fw/oppo/a16s/210723/tas/09010000000000000000000000000000.tabin
05120000000000000000000000000001.tlbin Kinibi x /fw/tecno/pova5pro/240101/tas/05120000000000000000000000000001.tlbin
030c0000000000000000000000000000.tlbin Kinibi x /fw/vivo/y73/220517/tas/030c0000000000000000000000000000.tlbin
07150000000000000000000000000000.tlbin Kinibi x /fw/vivo/y20g/210427/tas/07150000000000000000000000000000.tlbin

You can use these commands to reproduce this table:

make run-tipi TARGET=vtrust.elf TEE=qualcomm TIMEOUT=600
make run-tipi TARGET=eid.mbn TEE=qualcomm TIMEOUT=600
make run-tipi TARGET=secstor2.elf TEE=qualcomm TIMEOUT=600
make run-tipi TARGET=tz_kg.elf TEE=qualcomm TIMEOUT=600
make run-tipi TARGET=alipay.elf TEE=qualcomm TIMEOUT=600
make run-tipi TARGET=eseservi.elf TEE=qualcomm TIMEOUT=600
make run-tipi TARGET=655a4b46-cd77-11ea-aafbf382a6988e7b.ta.elf TEE=mitee TIMEOUT=600
make run-tipi TARGET=e97c270e-a5c4-4c58-bcd3384a2fa2539e.ta.elf TEE=mitee TIMEOUT=600
make run-tipi TARGET=14b0aad8-c011-4a3f-b66aca8d0e66f273.ta.elf TEE=mitee TIMEOUT=600
make run-tipi TARGET=05060000000000000000000000009578.tabin TEE=vivo_kinibi TIMEOUT=600
make run-tipi TARGET=a2d1038963f25c97be80d40f2d498582.tabin TEE=vivo_kinibi TIMEOUT=600
make run-tipi TARGET=09010000000000000000000000000000.tabin TEE=vivo_kinibi TIMEOUT=600
make run-tipi TARGET=05120000000000000000000000000001.tlbin TEE=vivo_kinibi TIMEOUT=600
make run-tipi TARGET=030c0000000000000000000000000000.tlbin TEE=vivo_kinibi TIMEOUT=600
make run-tipi TARGET=07150000000000000000000000000000.tlbin TEE=vivo_kinibi TIMEOUT=600

Ground-Truth Type-Confusion Detection

TA TEE Detected
d78d338b1ac349e09f65f4efe179739d.ta BeanPod x
00000000-0000-0000-0000-000000000046.elf TEEGris x
00000000-0000-0000-0000-000048444350.elf TEEGris x
00000000-0000-0000-0000-0000534b504d.elf TEEGris x
00000000-0000-0000-0000-00575644524d.elf TEEGris x
00000000-0000-0000-0000-42494f535542.elf TEEGris x
00000000-0000-0000-0000-46494e474502.elf TEEGris x
00000000-0000-0000-0000-5345435f4652.elf TEEGris x
00000000-0000-0000-0000-53454d655345.elf TEEGris x
task_storage Trusted Core x

You can use these commands to reproduce this table:

make run-tipi TARGET=d78d338b1ac349e09f65f4efe179739d.ta
make run-tipi TARGET=00000000-0000-0000-0000-000000000046.elf
make run-tipi TARGET=00000000-0000-0000-0000-000048444350.elf
make run-tipi TARGET=00000000-0000-0000-0000-0000534b504d.elf
make run-tipi TARGET=00000000-0000-0000-0000-00575644524d.elf
make run-tipi TARGET=00000000-0000-0000-0000-42494f535542.elf
make run-tipi TARGET=00000000-0000-0000-0000-46494e474502.elf
make run-tipi TARGET=00000000-0000-0000-0000-5345435f4652.elf
make run-tipi TARGET=00000000-0000-0000-0000-53454d655345.elf
make run-tipi TARGET=task_storage