CVE-2018-18954

Modified
Published: 15 Nov 2018, 20:00
Last modified:05 Aug 2024, 11:23

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.12% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Nov 2018, 20:00
Published
Vulnerability first disclosed
05 Aug 2024, 11:23
Last Modified
Vulnerability information updated

Description

The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.

CVSS Metrics

  • v3.0MEDIUMScore: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0LOWScore: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.12% Percentile: 30%

Techniques & Countermeasures

  • CWE-125Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

  • CWE-787Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • canonicalubuntu_linux

    18.04 | 18.10

  • opensuseleap

    42.3

  • qemuqemu

    < 3.1

References (7)