CVE-2021-30465
Public on 2021-05-14
Modified on 2021-12-01
Description
The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity as well as to system availability.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | runc | 2021-05-14 | ALAS-2021-1499 | Fixed |
| Amazon Linux 2 - Docker Extra | runc | 2021-10-19 | ALAS2DOCKER-2021-008 | Fixed |
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | runc | 2021-10-19 | ALAS2NITRO-ENCLAVES-2021-008 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | CVSSv2 | 6.0 | AV:N/AC:M/Au:S/C:P/I:P/A:P |
| NVD | CVSSv3 | 8.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |