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FreeBSD: VID-A5CF3ECD-38DB-11E8-8B7F-A4BADB2F469B (CVE-2018-6917): FreeBSD -- vt console memory disclosure

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FreeBSD: VID-A5CF3ECD-38DB-11E8-8B7F-A4BADB2F469B (CVE-2018-6917): FreeBSD -- vt console memory disclosure

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
04/04/2018
Created
07/25/2018
Added
04/06/2018
Modified
05/03/2019

Description

In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p9, 10.4-STABLE, 10.4-RELEASE-p8 and 10.3-RELEASE-p28, insufficient validation of user-provided font parameters can result in an integer overflow, leading to the use of arbitrary kernel memory as glyph data. Unprivileged users may be able to access privileged kernel data.

Solution(s)

  • freebsd-upgrade-base-10_3-release-p29
  • freebsd-upgrade-base-10_4-release-p8
  • freebsd-upgrade-base-11_1-release-p9

References

  • 103668
  • 1040629
  • FreeBSD-SA-18:04
  • CVE-2018-6917

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