vulnwire
5.5med

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…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 28%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.34% probability of exploitation in the next 30 days, higher than 28% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • cvsweb.openbsd.org /cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c.diff?r1=1.37&r2=1.37.8.1&f=h · x_refsource_MISC, x_transferred
  • ftp.openbsd.org /pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig · x_refsource_MISC, x_transferred
  • ftp.openbsd.org /pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1041550 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • cvsweb.openbsd.org /cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c · x_refsource_MISC, x_transferred

Sources

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