In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile and Snapdragon Wear IPQ4019, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9645, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 615/16/SD 415, SD 800, and SD 810, the function tzbsp_pil_verify_sig() does not strictly check that the pointer to ELF and program headers and hash segment is within secure memory. It only checks that the address is not in non-secure memory. A given address range can overlap with both secure and non-secure regions - hence if such an address is passed in, it would not pass the non-secure range check, and would be considered valid by the function, even though that memory area could be modified by the non-secure side.
2018-04-18T14:29:08.323
2024-11-21T02:40:03.130
Modified
CVSSv3.0: 9.8 (CRITICAL)
AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | qualcomm | mdm9206_firmware | - | Yes |
Hardware | qualcomm | mdm9206 | - | No |
Operating System | qualcomm | mdm9607_firmware | - | Yes |
Hardware | qualcomm | mdm9607 | - | No |
Operating System | qualcomm | ipq4019_firmware | - | Yes |
Hardware | qualcomm | ipq4019 | - | No |
Operating System | qualcomm | mdm9635m_firmware | - | Yes |
Hardware | qualcomm | mdm9635m | - | No |
Operating System | qualcomm | mdm9640_firmware | - | Yes |
Hardware | qualcomm | mdm9640 | - | No |
Operating System | qualcomm | mdm9645_firmware | - | Yes |
Hardware | qualcomm | mdm9645 | - | No |
Operating System | qualcomm | msm8909w_firmware | - | Yes |
Hardware | qualcomm | msm8909w | - | No |
Operating System | qualcomm | sd_210_firmware | - | Yes |
Hardware | qualcomm | sd_210 | - | No |
Operating System | qualcomm | sd_212_firmware | - | Yes |
Hardware | qualcomm | sd_212 | - | No |
Operating System | qualcomm | sd_205_firmware | - | Yes |
Hardware | qualcomm | sd_205 | - | No |
Operating System | qualcomm | sd_400_firmware | - | Yes |
Hardware | qualcomm | sd_400 | - | No |
Operating System | qualcomm | sd_410_firmware | - | Yes |
Hardware | qualcomm | sd_410 | - | No |
Operating System | qualcomm | sd_412_firmware | - | Yes |
Hardware | qualcomm | sd_412 | - | No |
Operating System | qualcomm | sd_615_firmware | - | Yes |
Hardware | qualcomm | sd_615 | - | No |
Operating System | qualcomm | sd_616_firmware | - | Yes |
Hardware | qualcomm | sd_616 | - | No |
Operating System | qualcomm | sd_415_firmware | - | Yes |
Hardware | qualcomm | sd_415 | - | No |
Operating System | qualcomm | sd_800_firmware | - | Yes |
Hardware | qualcomm | sd_800 | - | No |
Operating System | qualcomm | sd_810_firmware | - | Yes |
Hardware | qualcomm | sd_810 | - | No |