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HistoryMay 06, 2022 - 6:47 p.m.

Security Bulletin: A vulnerability in Docker CLI affects IBM Cloud Pak System (CVE-2021-41092)

2022-05-0618:47:29
www.ibm.com
31

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

43.2%

Summary

Docker CLI is vulnerable to attacks to obtain sensitive information. Docker CLI is used by Cloud Pak System as part to the infrastructure to manage the images and containers in the system. Cloud Pak System addressed this vulnerability.

Vulnerability Details

CVEID:CVE-2021-41092
**DESCRIPTION:**Docker CLI could allow a remote authenticated attacker to obtain sensitive information, caused by a flaw when running “docker login my-private-registry.example.com” command with a misconfigured configuration file. By sending a specially-crafted HTTP request, an attacker could exploit this vulnerability to obtain credentials information, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/210712 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s) Version(s) Supporting Product
sIBM Cloud Pak System Software Suite 2.3.3.0 - 2.3.3.1, 2.3.3.2, 2.3.3.3 Docker Private Registry for Red Hat Enterprise Linux 7 , Docker 20.10.3
IBM Cloud Pak System 2.3.0.1, 2.3.1.1, 2.3.3.1, 2.3.3.2, 2.3.3.3, 2.3.3.3.ifix1 Docker Private Registry for Red Hat Enterprise Linux 7 , Docker 20.10.3

Remediation/Fixes

For unsupported version/release/platform IBM recommends upgrading to a fixed, supported /release/platform of the product.

The recommended solution is to apply the applicable IBM Cloud Pak System Interim Fix as soon as practical.

In Cloud Pak System v2.3.3.4 Docker Private Registry uses Docker CLI v20.10.9 for Red Hat Enterprise Linux 8.

IBM Cloud Pak System V2.3.3.4 provides ptype docker v20.10.9.

For IBM Cloud Pak System V2.3.0 through to V2.3.3.3 Interim Fix 1.

upgrade to IBM Cloud Pak System V2.3.3.4 at Fix Central

Information on upgrading at : <http://www.ibm.com/support/docview.wss?uid=ibm10887959&gt;

Workarounds and Mitigations

None

CPENameOperatorVersion
ibm cloud pak systemeq2.3

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

43.2%

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