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

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

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Impatto

Medium

Dettagli

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 raccomanda a tutti i clienti di prendere in considerazione sia il punteggio base CVSS, sia ogni eventuale punteggio temporale o ambientale che possa avere effetti sul livello di gravità potenziale associato a una specifica vulnerabilità di sicurezza.

Prodotti interessati e correzione

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

Soluzioni alternative e mitigazioni

  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.

Cronologia delle revisioni

RevisionDateDescription
1.030 Sep 2021 Initial Release

Informazioni correlate

Prodotti interessati

PowerScale OneFS, Product Security Information
Proprietà dell'articolo
Numero articolo: 000192046
Tipo di articolo: Dell Security Advisory
Ultima modifica: 15 feb 2022
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