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Ubuntu: USN-3917-1 (CVE-2019-7303): snapd vulnerability

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Ubuntu: USN-3917-1 (CVE-2019-7303): snapd vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
03/21/2019
Created
04/22/2019
Added
04/01/2019
Modified
03/02/2020

Description

A vulnerability in the seccomp filters of Canonical snapd before version 2.37.4 allows a strict mode snap to insert characters into a terminal on a 64-bit host. The seccomp rules were generated to match 64-bit ioctl(2) commands on a 64-bit platform; however, the Linux kernel only uses the lower 32 bits to determine which ioctl(2) commands to run. This issue affects: Canonical snapd versions prior to 2.37.4.

Solution(s)

  • ubuntu-upgrade-snapd

References

  • USN-3917-1
  • CVE-2019-7303

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