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mageiaGentoo FoundationMGASA-2021-0553
HistoryDec 11, 2021 - 1:19 a.m.

Updated opencontainers-runc packages fix security vulnerability

2021-12-1101:19:07
Gentoo Foundation
advisories.mageia.org
21

6 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

0.008 Low

EPSS

Percentile

81.9%

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)

OSVersionArchitecturePackageVersionFilename
Mageia8noarchopencontainers-runc< 1.0.3-1opencontainers-runc-1.0.3-1.mga8

6 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

0.008 Low

EPSS

Percentile

81.9%