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FreeBSD: VID-C602C791-0CF4-11E8-A2EC-6CC21735F730 (CVE-2018-1053): PostgreSQL vulnerabilities

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FreeBSD: VID-C602C791-0CF4-11E8-A2EC-6CC21735F730 (CVE-2018-1053): PostgreSQL vulnerabilities

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
02/05/2018
Created
07/25/2018
Added
02/09/2018
Modified
05/07/2019

Description

In postgresql 9.3.x before 9.3.21, 9.4.x before 9.4.16, 9.5.x before 9.5.11, 9.6.x before 9.6.7 and 10.x before 10.2, pg_upgrade creates file in current working directory containing the output of `pg_dumpall -g` under umask which was in effect when the user invoked pg_upgrade, and not under 0077 which is normally used for other temporary files. This can allow an authenticated attacker to read or modify the one file, which may contain encrypted or unencrypted database passwords. The attack is infeasible if a directory mode blocks the attacker searching the current working directory or if the prevailing umask blocks the attacker opening the file.

Solution(s)

  • freebsd-upgrade-package-postgresql10-server
  • freebsd-upgrade-package-postgresql93-server
  • freebsd-upgrade-package-postgresql94-server
  • freebsd-upgrade-package-postgresql95-server
  • freebsd-upgrade-package-postgresql96-server

References

  • USN-3564-1
  • CVE-2018-1053

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