Improper input validation in Openbsd

CVE-2018-14775

tss_alloc in sys/arch/i386/i386/gdt.c in OpenBSD 6.2 and 6.3 has a Local Denial of Service (system crash) due to incorrect I/O port access control on the i386 architecture.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (26.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Openbsd — versions 6.2, 6.3
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-14775?
CVE-2018-14775 is a medium-severity vulnerability in Openbsd, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-08-01.
How severe is CVE-2018-14775?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-14775 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.