SARA / Free Tools / CVE / CVE-2023-28100

CVE-2023-28100 — Flatpak is a system for building, distributing, and running sandboxed desktop ap

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Versions prior to 1.10.8, 1.12.8, 1.14.4, and 1.15.4 contain a vulnerability similar to CVE-2017-5226, but using the `TIOCLINUX` ioctl command instead of `TIOCSTI`. If a Flatpak a

CVSS
10.0 CRITICAL
EPSS
0.65% (top 29.40%)
CWE
CWE-20
Published
2023-03-16T15:51:32.037Z
Last modified
2025-02-13T16:45:39.112Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

01What is this vulnerability?

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Versions prior to 1.10.8, 1.12.8, 1.14.4, and 1.15.4 contain a vulnerability similar to CVE-2017-5226, but using the `TIOCLINUX` ioctl command instead of `TIOCSTI`. If a Flatpak app is run on a Linux virtual console such as `/dev/tty1`, it can copy text from the virtual console and paste it into…

02Affected products

VendorProductVersions
flatpakflatpak< 1.10.8, >= 1.12.0, < 1.12.8, >= 1.14.0, < 1.14.4, >= 1.15.0, < 1.15.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

CVE-2017-5226
Cited in vendor advisory

08Timeline

09References

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