CVEvulnerability
CVE-2018-9840
6.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-04-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 6.8 MEDIUM — CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
Description
The Open Whisper Signal app before 2.23.2 for iOS allows physically proximate attackers to bypass the screen locker feature via certain rapid sequences of actions that include app opening, clicking on cancel, and using the home button.
Affected configurations
• signal signal (< 2.23.2)
References
- http://nint.en.do/Signal-Bypass-Screen-locker.php Broken Link, Third Party Advisory
- https://github.com/signalapp/Signal-iOS/commit/018a35df7b42b4941cb4dfc9f462b37c3fafd9e9 Patch, Third Party Advisory
- https://github.com/signalapp/Signal-iOS/commits/release/2.23.2 Issue Tracking, Patch, Third Party Advisory
- http://nint.en.do/Signal-Bypass-Screen-locker.php Broken Link, Third Party Advisory
- https://github.com/signalapp/Signal-iOS/commit/018a35df7b42b4941cb4dfc9f462b37c3fafd9e9 Patch, Third Party Advisory
- https://github.com/signalapp/Signal-iOS/commits/release/2.23.2 Issue Tracking, Patch, Third Party Advisory