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FreeBSD: VID-EFD03116-C2A9-11EA-82BC-B42E99A1B9C3 (CVE-2020-13753): webkit2-gtk3 -- multible vulnerabilities

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FreeBSD: VID-EFD03116-C2A9-11EA-82BC-B42E99A1B9C3 (CVE-2020-13753): webkit2-gtk3 -- multible vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
07/10/2020
Created
09/22/2020
Added
09/19/2020
Modified
09/19/2020

Description

The bubblewrap sandbox of WebKitGTK and WPE WebKit, prior to 2.28.3, failed to properly block access to CLONE_NEWUSER and the TIOCSTI ioctl. CLONE_NEWUSER could potentially be used to confuse xdg-desktop-portal, which allows access outside the sandbox. TIOCSTI can be used to directly execute commands outside the sandbox by writing to the controlling terminal's input buffer, similar to CVE-2017-5226.

Solution(s)

  • freebsd-upgrade-package-webkit2-gtk3

References

  • USN-4422-1
  • CVE-2020-13753

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