QID 353110

Date Published: 2022-01-13

QID 353110: Amazon Linux Security Advisory for runc : ALAS-2021-1556

Runc through 1.0.0-rc8, as used in docker through 19.03.2-ce and other products, allows apparmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious docker image can mount over a /proc directory. (
( CVE-2019-16884)

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Please refer to Amazon advisory: ALAS-2021-1556 for affected packages and patching details, or update with your package manager.

Vendor References

ALAS-2021-1556 - alas.aws.amazon.com/ALAS-2021-1556.html

CVEs related to QID 353110

CVE-2019-16884 |

Software Advisories

Advisory ID	Software	Component	Link
ALAS-2021-1556	Amazon Linux		alas.aws.amazon.com/ALAS-2021-1556.html

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