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Ubuntu: USN-3480-2: Apport regressions

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Ubuntu: USN-3480-2: Apport regressions

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/20/2017
Created
07/25/2018
Added
11/21/2017
Modified
07/09/2020

Description

USN-3480-1 fixed vulnerabilities in Apport. The fix forCVE-2017-14177 introduced a regression in the ability to handle crashes for users that configured their systems to use the Upstart init system in Ubuntu 16.04 LTS and Ubuntu 17.04. The fix forCVE-2017-14180temporarily disabled crash forwarding to containers. This update addresses the problems.

We apologize for the inconvenience.

Original advisory details:

Sander Bos discovered that Apport incorrectly handled core dumps for setuid binaries. A local attacker could use this issue to perform a denial of service via resource exhaustion or possibly gain root privileges. (CVE-2017-14177)

Sander Bos discovered that Apport incorrectly handled core dumps for processes in a different PID namespace. A local attacker could use this issue to perform a denial of service via resource exhaustion or possibly gain root privileges. (CVE-2017-14180)

Solution(s)

  • ubuntu-upgrade-apport

References

  • USN-3480-1
  • USN-3480-2

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