text stringlengths 0 1.99k |
|---|
|-----------------|--------------|----------------|-----------------| |
| A wave0 | CCH | 178 | 5890 | |
| A wave0 | SCH | 172 | 5860 | |
| B wave1 | SCH | 184 | 5920 | |
| B wave1 | SCH | 180 | 5900 | |
j2735_version == 2016 |
The read-only UART is via the hardware side (not 100% confident) so by |
soldering the connections it's likely possible to get full UART access. |
Additionally, once the EOS loads, the keyboard connected via the USB port |
that works up to that point stops functioning so I wasn't ever able to try |
any password once shown the login prompt when booting into the RESCUE |
image. Same goes for booting into single user mode by adding "single" |
to the APPEND kernel parameter line. In fact, when booting into single |
user mode, it states ask us for the password and we'll give it to you, |
but it still isn't clear if there even is a password. |
All kinds of interesting certificates, keys, etc were found. Such as |
net-snmp-cert used by the RSU server. os_image_sign.pubkey, |
ca-certificates.crt, ssh host keys were also stored in the EEPROM. Also, |
if the RSU was configured to have the 'admin' user, that users hashed |
password was stored in EEPROM as well. You can also enable/disable that |
user via EEPROM changes as well. There was also a 'manage-certs' directory |
that contained a ton of links to other organizations cert files, and then |
the URLs to enroll the RSU into their ITS traffic management systems (or |
perhaps just enable cross communication?). |
Think I can leave it at that, there's so much that is interesting, |
I can list things forever... |
--[ 8 - References |
[1] https://apkpure.com/kapsch-ewalk/net.kapsch.ewalk/versions |
[2] https://5gaa.org/c-v2x-explained/ |
[3] https://github.com/usdot-fhwa-OPS/V2X-Hub |
[4] https://www.wjbf.com/business/press-releases/accesswire/ |
983795/kapsch-trafficcom-supports-colorado-connected-vehicle-safety-project/ |
[5] https://www.kapsch.net/_Resources/Persistent/ |
7b221a05b49b2d630a46508667e0d52de5f2efe7/ |
Reference_Factsheet_Colorado_DOT_I-70_Corridor_EN.pdf |
[6] https://www.kapsch.net/_Resources/Persistent |
/59824d4e81dce9d1a902359261304f6cf8231654/KTC-CVS-Reference_Ohio_33-SMC.pdf |
[7] https://www.kapsch.net/en/press/releases/ktc-20240702-pr-en |
[8] https://www.traffictechnologytoday.com/news/ |
connected-vehicles-infrastructure |
/kapsch-supplying-equipment-for-australias- |
largest-c-its-connected-vehicle-pilot-project.html |
[9] https://www.etsi.org/deliver/etsi_en/302600_302699/302663/ |
01.02.00_20/en_302663v010200a.pdf |
[10] https://di9mr54a05a64.cloudfront.net/api-mciaustralia.expoplatform.com/ |
media/MTYxODI3MDY3NzYwNzRkOWQ1ZThlYTI%3D.pdf |
[11] https://www.kapsch.net/_Resources/Persistent/ |
3d251a8445e0bf50093903ad70b3dbed34dec7e7/ |
KTC-CVS_RIS-9260_DataSheet.pdf |
[12] https://www.kapsch.net/_Resources/Persistent |
/b60658fe131d82fe20c5389cdc2f6425064f4a88/ |
KTC-CVS_RIS-9360_DataSheet.pdf |
[13] https://fcc.report/FCC-ID/XZU9160/ |
[14] https://www.mouser.com/datasheet/2/965/come_mbt10_datasheet-3235566.pdf |
[15] https://content.u-blox.com/sites/default/files/ |
EVK-THEO-P1_UserGuide_%28UBX-15013939%29.pdf |
[16] https://media.defcon.org/DEF%20CON%2025/DEF%20CON%2025%20presentations/ |
DEF%20CON%2025%20-%20Woodbury-and-Haltmeyer- |
Linux-Stack-Based-V2X-Framework-Hack-Connected-Vehicles.pdf |
[17] https://chipsec.github.io/index.html |
[18] https://play.google.com/store/apps/developer?id=Kapsch+TrafficCom+AG&hl=en_US |
--[ 9 - Raw Output |
For an extensive collection of logs and tool output from the devices |
mentioned in this paper, please check out this repo: |
https://github.com/GainSec/Phrack-72-Raw-Output-V2X |
|=-----------------------------------------------------------------------=| |
|=--------------------------=[ A CPU Backdoor ]=-------------------------=| |
|=-----------------------------------------------------------------------=| |
|=------------------=[ uty <whensungoes@gmail.com> ]=--------------------=| |
|=-----------------------------------------------------------------------=| |
--[ Table of contents |
1. Introduction |
2. Known CPU "Backdoors" |
2.1 VIA C3 ALTINST Instructions |
2.2 AMD Secret Password 0x9C5A203A |
2.3 Candidate Backdoor Instructions |
3. Designing a CPU Backdoor |
3.1 Windows Password Authentication Bypass via Backdoored Instruction |
3.2 x86 QEMU TCG-based Prototype |
3.3 SPARC64 Backdoor Prototype on OpenSPARC T1 FPGA |
3.3.1 *nix Password Authentication Analysis |
3.3.2 Backdoor Implementation in RTL |
3.4 Intel Goldmont x86 Microcode-Based Backdoor Implementation |
3.4.1 Microcode Basics |
3.4.2 CMPS Microcode Analysis |
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