CVE-2019-11756
Public on 2020-01-08
Modified on 2021-07-12
Description
A use-after-free flaw was found in Mozilla Network Security Services (NSS) related to PK11 session handling. An attacker could use this flaw to execute arbitrary code with the permissions of the user running the application compiled with NSS.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | nspr | 2021-07-08 | ALAS-2021-1522 | Fixed |
| Amazon Linux 2 - Core | nspr | 2020-11-09 | ALAS2-2020-1559 | Fixed |
| Amazon Linux 2 - Core | nss | 2020-11-09 | ALAS2-2020-1559 | Fixed |
| Amazon Linux 1 | nss-softokn | 2021-07-08 | ALAS-2021-1522 | Fixed |
| Amazon Linux 2 - Core | nss-softokn | 2020-11-09 | ALAS2-2020-1559 | Fixed |
| Amazon Linux 1 | nss-util | 2021-07-08 | ALAS-2021-1522 | Fixed |
| Amazon Linux 2 - Core | nss-util | 2020-11-09 | ALAS2-2020-1559 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.1 | CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | CVSSv2 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| NVD | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |