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Test ID:1.3.6.1.4.1.25623.1.1.10.2021.0553
Category:Mageia Linux Local Security Checks
Title:Mageia: Security Advisory (MGASA-2021-0553)
Summary:The remote host is missing an update for the 'opencontainers-runc' package(s) announced via the MGASA-2021-0553 advisory.
Description:Summary:
The remote host is missing an update for the 'opencontainers-runc' package(s) announced via the MGASA-2021-0553 advisory.

Vulnerability Insight:
It was discovered that there was an overflow issue in runc, the runtime
for the Open Container Project, often used with Docker. The Netlink
'bytemsg' length field could have allowed an attacker to override
Netlink-based container configurations. This vulnerability required the
attacker to have some control over the configuration of the container, but
would have allowed the attacker to bypass the namespace restrictions of
the container by simply adding their own Netlink payload which disables
all namespaces. (CVE-2021-43784)

Affected Software/OS:
'opencontainers-runc' package(s) on Mageia 8.

Solution:
Please install the updated package(s).

CVSS Score:
6.0

CVSS Vector:
AV:N/AC:M/Au:S/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-43784
https://github.com/opencontainers/runc/security/advisories/GHSA-v95c-p5hm-xq8f
https://bugs.chromium.org/p/project-zero/issues/detail?id=2241
https://github.com/opencontainers/runc/commit/9c444070ec7bb83995dbc0185da68284da71c554
https://github.com/opencontainers/runc/commit/d72d057ba794164c3cce9451a00b72a78b25e1ae
https://github.com/opencontainers/runc/commit/f50369af4b571e358f20b139eea52d612eb55eed
https://lists.debian.org/debian-lts-announce/2021/12/msg00005.html
https://lists.debian.org/debian-lts-announce/2024/02/msg00005.html
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