CVE-2018-11237
Public on 2018-05-18
Modified on 2018-12-19
Description
A buffer overflow has been discovered in the GNU C Library (aka glibc or libc6) in the __mempcpy_avx512_no_vzeroupper function when particular conditions are met. An attacker could use this vulnerability to cause a denial of service or potentially execute code.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | glibc | 2018-12-06 | ALAS-2018-1109 | Fixed |
| Amazon Linux 2 - Core | glibc | 2018-12-17 | ALAS2-2018-1131 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.6 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | CVSSv2 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |