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Artikelnummer: 000185202


DSA-2021-048: Dell PowerScale OneFS Security Update for Multiple Vulnerabilities

Samenvatting: Dell PowerScale OneFS contains remediation for multiple security vulnerabilities that may be exploited by malicious users to compromise the affected system.

Article content


Impact

Critical

Gegevens

Proprietary Code CVE(s) Description CVSSBase Score CVSS Vector String
CVE-2021-21526 Dell PowerScale OneFS 8.1.0 - 9.1.0 contains a privilege escalation in SmartLock compliance mode that may allow compadmin to execute arbitrary commands as root.
Note: If running in Compliance Mode, this is a critical vulnerability.
6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CVE-2020-26197 Dell PowerScale OneFS 8.1.0 – 9.1.0 contains an LDAP Provider inability to connect over TLSv1.2 vulnerability. It may make it easier to eavesdrop and decrypt such traffic for a malicious actor. 
Note: This does not affect clusters which are not relying on an LDAP server for the authentication provider.
7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2021-21502 Dell PowerScale OneFS 8.1.0 – 9.1.0 contains a use of a key past its expiration date vulnerability. An expired user with ISI_PRIV_LOGIN_SSH is still able to login.
Note: This has already been disclosed in DSA-2021-009, but is included here due to patches for more releases being available.
9.8
(prior disclosure)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Proprietary Code CVE(s) Description CVSSBase Score CVSS Vector String
CVE-2021-21526 Dell PowerScale OneFS 8.1.0 - 9.1.0 contains a privilege escalation in SmartLock compliance mode that may allow compadmin to execute arbitrary commands as root.
Note: If running in Compliance Mode, this is a critical vulnerability.
6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CVE-2020-26197 Dell PowerScale OneFS 8.1.0 – 9.1.0 contains an LDAP Provider inability to connect over TLSv1.2 vulnerability. It may make it easier to eavesdrop and decrypt such traffic for a malicious actor. 
Note: This does not affect clusters which are not relying on an LDAP server for the authentication provider.
7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2021-21502 Dell PowerScale OneFS 8.1.0 – 9.1.0 contains a use of a key past its expiration date vulnerability. An expired user with ISI_PRIV_LOGIN_SSH is still able to login.
Note: This has already been disclosed in DSA-2021-009, but is included here due to patches for more releases being available.
9.8
(prior disclosure)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Dell Technologies raadt aan dat alle klanten rekening houden met zowel de basisscore van CVSS als alle relevante tijdelijke en omgevingsscores die gevolgen kunnen hebben voor de mogelijke ernst van de specifieke beveiligingsproblemen.

Getroffen producten en herstel

CVE Addressed Affected Version(s) Updated Version(s) Link to Update
CVE-2021-21526 9.0 Upgrade your OneFS version



PowerScale Downloads Area on https://www.dell.com
9.1 March RUP_2021-03

CVE-2020-26197
8.1.0, 8.1.1 Upgrade your OneFS version
8.1.2 March RUP_2021-03
8.2.2 November RUP_2020-11 

CVE-2021-21502
8.1.0, 8.1.1, 8.2.0, 8.2.1, 9.0.0 Upgrade your OneFS version
9.1.0 RUP 2021-01
8.1.2, 8.2.2 RUP 2021-03

Note: The table above may not be a comprehensive list of all affected supported versions and may be updated as more information becomes available.
CVE Addressed Affected Version(s) Updated Version(s) Link to Update
CVE-2021-21526 9.0 Upgrade your OneFS version



PowerScale Downloads Area on https://www.dell.com
9.1 March RUP_2021-03

CVE-2020-26197
8.1.0, 8.1.1 Upgrade your OneFS version
8.1.2 March RUP_2021-03
8.2.2 November RUP_2020-11 

CVE-2021-21502
8.1.0, 8.1.1, 8.2.0, 8.2.1, 9.0.0 Upgrade your OneFS version
9.1.0 RUP 2021-01
8.1.2, 8.2.2 RUP 2021-03

Note: The table above may not be a comprehensive list of all affected supported versions and may be updated as more information becomes available.

Tijdelijke oplossingen en beperkingen

CVE ID Workaround(s) and Mitigation(s)
CVE-2021-21526 None.
CVE-2020-26197 Disable LDAP Providers.
CVE-2021-21502
  1. Removing authorized_keys files from homedir/.ssh of expired accounts
  2. Removing expired accounts from roles that have ISI_AUTH_PRIV_SSH
Disabling public key authentication in SSH; login to your cluster with a username which has the appropriate privileges, and at the prompt, enter the following CLI commands:    
# isi ssh modify --auth-settings-template=custom
# isi ssh settings modify --pubkey-authentication=false

Revisiegeschiedenis

RevisionDateDescription
1.02021-04-12Initial Release

Verwante informatie

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide


Artikeleigenschappen


Getroffen product

PowerScale OneFS

Product

Product Security Information

Datum laatst gepubliceerd

28 sep 2021

Versie

2

Artikeltype

Dell Security Advisory