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gentooGentoo FoundationGLSA-202105-33
HistoryMay 26, 2021 - 12:00 a.m.

containerd: Multiple vulnerabilities

2021-05-2600:00:00
Gentoo Foundation
security.gentoo.org
47

6.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

46.2%

Background

Containerd is a daemon with an API and a command line client, to manage containers on one machine. It uses runC to run containers according to the OCI specification.

Description

Multiple vulnerabilities have been discovered in containerd. Please review the CVE identifiers referenced below for details.

Impact

A local attacker, able to run a malicious container in the same network namespace as the shim, could possibly escalate privileges. Furthermore, an attacker could disclose sensitive information.

Workaround

There is no known workaround at this time.

Resolution

All containerd users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/containerd-1.4.4"
OSVersionArchitecturePackageVersionFilename
Gentooanyallapp-emulation/containerd< 1.4.4UNKNOWN

6.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

46.2%