CVE-2022-38694 PoC — UNISOC Chipsets 安全漏洞

Source

https://github.com/TomKing062/CVE-2022-38694_unlock_bootloader

Associated Vulnerability

Title:UNISOC Chipsets 安全漏洞 (CVE-2022-38694)
Description:UNISOC Chipsets是中国紫光展锐（UNISOC）公司的芯片组。 UNISOC Chipsets存在安全漏洞，该漏洞源于未检查写入地址，可能导致本地权限提升。

Description

User can execute unsigned binaries with BootROM privileges, which can be used to unlock bootloader

File Snapshot


 [4.0K]  /data/pocs/fec8689f3a554380d0188c72dd26705fd26a8f73
├── [2.3K]  chsize.c
├── [4.0K]  img
│   ├── [425K]  _check_secure_part.png
│   ├── [ 62K]  data_exec.png
│   ├── [270K]  do_cboot.png
│   ├── [ 49K]  main.png
│   ├── [ 57K]  nand_boot_1.png
│   ├── [ 49K]  nand_boot_2.png
│   └── [ 59K]  reboot_devices.png
├── [4.0K]  misc
│   ├── [6.3K]  efitable2xml.c
│   └── [2.0K]  encdec.c
├── [ 847]  readme.md
├── [4.0K]  soc
│   ├── [4.0K]  sc9820e_sc9832e
│   │   ├── [   8]  custom_exec_no_verify_4ee8.bin
│   │   ├── [   8]  custom_exec_no_verify_4f18.bin
│   │   └── [2.0K]  stack-info-sc9820e_sc9832e.csv
│   ├── [4.0K]  sc9863a
│   │   ├── [ 128]  custom_exec_no_verify_4ee8.bin
│   │   ├── [  32]  custom_exec_no_verify_4f48.bin
│   │   └── [1.6K]  stack-info-sc9863a.csv
│   ├── [4.0K]  ud710
│   │   ├── [ 136]  custom_exec_no_verify_3f28.bin
│   │   ├── [  40]  custom_exec_no_verify_3f88.bin
│   │   └── [1.5K]  stack-info-ud710.csv
│   ├── [4.0K]  udx710
│   │   ├── [ 136]  custom_exec_no_verify_3f28.bin
│   │   ├── [  88]  custom_exec_no_verify_3f58.bin
│   │   ├── [  40]  custom_exec_no_verify_3f88.bin
│   │   └── [2.0K]  stack-info-udx710.csv
│   ├── [4.0K]  ums312
│   │   ├── [ 128]  custom_exec_no_verify_3ee8.bin
│   │   ├── [  32]  custom_exec_no_verify_3f48.bin
│   │   └── [1.7K]  stack-info-ums312.csv
│   ├── [4.0K]  ums512
│   │   ├── [ 128]  custom_exec_no_verify_3ee8.bin
│   │   ├── [  32]  custom_exec_no_verify_3f48.bin
│   │   └── [1.7K]  stack-info-ums512.csv
│   ├── [4.0K]  ums9230
│   │   ├── [  96]  custom_exec_no_verify_65015f08.bin
│   │   ├── [  32]  custom_exec_no_verify_65015f48.bin
│   │   └── [1.9K]  stack-info-ums9230.csv
│   └── [4.0K]  ums9620
│       ├── [  96]  custom_exec_no_verify_65012f48.bin
│       ├── [  32]  custom_exec_no_verify_65012f88.bin
│       └── [1.4K]  stack-info-ums9620.csv
└── [4.0K]  spreadtrum_flash

12 directories, 36 files

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