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Informational 18 Bitcoin

fix(python): include hostname during THP pairing

TZ29baee0d View source ↗
Public commit record

What the developer wrote

Authored by Martin Milata

57/100 · Thin
fix(python): include hostname during THP pairing

[no changelog]
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
The short version

What changed, and why it matters

This is a small Python library fix for the Trezor hardware wallet's new Bluetooth-style pairing protocol (THP). It makes the client send the computer's real hostname and the application's name during pairing, instead of always sending a generic placeholder. This helps users see which app and computer they are pairing with on their Trezor screen. It is a usability and correctness improvement, not a security vulnerability fix.

Recommended action

No security action required. Treat as a normal functional/usability fix. Reviewers may verify that host_name/app_name values are properly sanitized or length-limited by the firmware-side ThpPairingRequest handler, but the commit itself does not introduce a security issue.

Security signals we found

01

No vulnerability pattern: change only adds missing pairing metadata fields

02

No secrets, buffer handling, or trust-boundary changes

03

No privilege escalation, injection, or bypass introduced

04

UI fixture hash updates are expected side effect of changed displayed strings

Risk score

Why this scored 18/100

Our methodology →
Potential impact 2/30
Exploitability 1/25
Stealth signal 1/15
Affected reach 3/15
Confidence 8/10
Evidence quality 3/5
Human-validated context

Community notes

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