CVE-2018-12181

Public on 2019-03-27
Modified on 2019-08-27
Description
A stack-based buffer overflow was discovered in edk2 when the HII database contains a Bitmap that claims to be 4-bit or 8-bit per pixel, but the palette contains more than 16(2^4) or 256(2^8) colors.
Severity
Medium severity
Medium
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core edk2 2019-08-23 ALAS2-2019-1273 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD CVSSv2 3.6 AV:L/AC:L/Au:N/C:N/I:P/A:P
NVD CVSSv3 6.0 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H