DSA-2021-180: Dell PowerScale OneFS Security Update for Multiple Vulnerabilities.

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

Este artículo se aplica a: Este artículo no se aplica a: Este artículo no está vinculado a ningún producto específico. En este artículo no se identifican todas las versiones de los productos.

Impacto

Medium

Detalles

Proprietary Code CVE Description CVSS Base Score CVSS Vector String
CVE-2021-36305 Dell PowerScale OneFS contains an Unsynchronized Access to Shared Data in a Multithreaded Context in SMB CA handling. An authenticated user of SMB on a cluster with CA may potentially exploit this vulnerability, leading to a denial of service over SMB. 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 
Third-party Component CVE More information
FreeBSD CVE-2021-29626 https://nvd.nist.gov/vuln/detail/CVE-2021-29626
In OneFS, a copy-on-write logic failed to invalidate shared memory page mappings between multiple processes which amy allow an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.
Proprietary Code CVE Description CVSS Base Score CVSS Vector String
CVE-2021-36305 Dell PowerScale OneFS contains an Unsynchronized Access to Shared Data in a Multithreaded Context in SMB CA handling. An authenticated user of SMB on a cluster with CA may potentially exploit this vulnerability, leading to a denial of service over SMB. 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 
Third-party Component CVE More information
FreeBSD CVE-2021-29626 https://nvd.nist.gov/vuln/detail/CVE-2021-29626
In OneFS, a copy-on-write logic failed to invalidate shared memory page mappings between multiple processes which amy allow an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.
Dell Technologies recomienda que todos los clientes tengan en cuenta la puntuación base CVSS y las puntuaciones temporales o de entorno relevantes que puedan afectar a la posible gravedad asociada a una determinada vulnerabilidad de seguridad.

Productos afectados y corrección

CVEs Addressed  Affected Versions Updated Versions Link to Update
CVE-2021-36305 8.2.0, 8.2.1, 9.0.0.x, 9.2.0.x, and 9.1.1.x Upgrade your version of OneFS PowerScale OneFS Downloads Area
8.2.2, 9.1.0.x , and 9.2.1.x Download and install the latest RUP
CVE-2021-29626 8.2.0, 8.2.1, 9.0.0.x, 9.2.0.x, and 9.1.1.x Upgrade your version of OneFS
8.2.x, 9.1.0.x , and 9.2.1.x Download and install the latest RUP
CVEs Addressed  Affected Versions Updated Versions Link to Update
CVE-2021-36305 8.2.0, 8.2.1, 9.0.0.x, 9.2.0.x, and 9.1.1.x Upgrade your version of OneFS PowerScale OneFS Downloads Area
8.2.2, 9.1.0.x , and 9.2.1.x Download and install the latest RUP
CVE-2021-29626 8.2.0, 8.2.1, 9.0.0.x, 9.2.0.x, and 9.1.1.x Upgrade your version of OneFS
8.2.x, 9.1.0.x , and 9.2.1.x Download and install the latest RUP

Soluciones alternativas y mitigaciones

  Workarounds or Mitigations
CVE-2021-36305 Disabling Continuous Availability (CA) on all SMB shares that has it enabled prevents the issue.
CVE-2021-29626 Disallow ISI_PRIV_LOGIN_CONSOLE and ISI_PRIV_LOGIN_SSH privileges to non-administrative users.

Historial de revisiones

RevisionDateDescription
1.030 Sep 2021 Initial Release

Información relacionada

Productos afectados

PowerScale OneFS, Product Security Information
Propiedades del artículo
Número de artículo: 000192046
Tipo de artículo: Dell Security Advisory
Última modificación: 15 feb 2022
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