CyberSecBulletin
CVE-2022-22562NVD status: Modified

PowerScale OneFS: Improper Handling of Values

CVE-2022-22562 is a high-severity improper handling of values vulnerability in PowerScale OneFS from Dell, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected PowerScale OneFS versions: 8.2.0-9.2.1.x,. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.93% chance of exploitation within 30 days, higher than 61% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of PowerScale OneFS you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on dell.com for workarounds and exact fixed builds.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
DellPowerScale OneFS8.2.0-9.2.1.x,Not stated
DellEmc Powerscale Onefs8.2.0 through 9.2.1.0Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.5HighCNA (emc.com)
CVSS 3.17.5HighNVD
CVSS 2.05.0MediumNVD

Official description

Dell PowerScale OneFS, versions 8.2.0-9.3.0, contain a improper handling of missing values exploit. An unauthenticated network attacker could potentially exploit this denial-of-service vulnerability.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Handling of Values

The product does not properly handle when the expected number of values for parameters, fields, or arguments is not provided in input, or if those values are undefined.

More Improper Handling of Values vulnerabilities (CWE-229)

Timeline

  1. CVE record published.
  2. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in PowerScale OneFS

All PowerScale OneFS vulnerabilities

Recent Improper Handling of Values vulnerabilities

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