Aruba Access Points: 100 Series; 103 Series…: Improper Neutralization of Special Elements used in an OS Command
CVE-2022-37893 is a high-severity improper neutralization of special elements used in an OS command vulnerability in Aruba Access Points: 100 Series; 103 Series; 110 Series; 120 Series; 130 Series; 200 Series; 207 Series; 210 Series; 220 Series; 260 Series; 300 Series; 303 Series; 310 Series; 318 Series Hardened Access Points; 320 Series; 330 Series; 340 Series; 370 Series; 500 Series; 510 Series; 530 Series; 550 Series; 630 Series; 650 Series;, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Aruba Access Points: 100 Series; 103 Series; 110 Series; 120 Series; 130 Series; 200 Series; 207 Series; 210 Series; 220 Series; 260 Series; 300 Series; 303 Series; 310 Series; 318 Series Hardened Access Points; 320 Series; 330 Series; 340 Series; 370 Series; 500 Series; 510 Series; 530 Series; 550 Series; 630 Series; 650 Series; versions: Aruba InstantOS 6.4.x: 6.4.4.8-4.2.4.20 and below; Aruba InstantOS 6.5.x: 6.5.4.23 and below; Aruba InstantOS 8.6.x: 8.6.0.18 and below, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.73% chance of exploitation within 30 days, higher than 55% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Arubaos to 10.3.1.1 or a later version.
- Update Instant to 6.4.4.8-4.2.4.21 or 6.5.4.24 or 8.6.0.19 or 8.7.1.10, whichever matches your release line, or a later version.
- Read the advisory on arubanetworks.com for workarounds and exact fixed builds.
Affected products and versions
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
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
Official description
An authenticated command injection vulnerability exists in the Aruba InstantOS and ArubaOS 10 command line interface. Successful exploitation of this vulnerability results in the ability to execute arbitrary commands as a privileged user on the underlying operating system of Aruba InstantOS 6.4.x: 6.4.4.8-4.2.4.20 and below; Aruba InstantOS 6.5.x: 6.5.4.23 and below; Aruba InstantOS 8.6.x: 8.6.0.18 and below; Aruba InstantOS 8.7.x: 8.7.1.9 and below; Aruba InstantOS 8.10.x: 8.10.0.1 and below; ArubaOS 10.3.x: 10.3.1.0 and below; Aruba has released upgrades for Aruba InstantOS that address this security vulnerability.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Neutralization of Special Elements used in an OS Command
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command before it is sent to a downstream component.
How developers prevent this class of flaw
- If at all possible, use library calls rather than external processes to recreate the desired functionality.
- For any data that will be used to generate a command to be executed, keep as much of that data out of external control as possible. For example, in web applications, this may require storing the data locally in the session's state instead of sending it out to the client in a hidden form field.
- For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
More Improper Neutralization of Special Elements used in an OS Command vulnerabilities (CWE-78)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- cert-portal.siemens.com/productcert/pdf/ssa-506569.pdfThird Party Advisory
Other vulnerabilities in Aruba Access Points: 100 Series; 103 Series; 110 Series; 120 Series; 130 Series; 200 Series; 207 Series; 210 Series; 220 Series; 260 Series; 300 Series; 303 Series; 310 Series; 318 Series Hardened Access Points; 320 Series; 330 Series; 340 Series; 370 Series; 500 Series; 510 Series; 530 Series; 550 Series; 630 Series; 650 Series;
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
Recent Improper Neutralization of Special Elements used in an OS Command vulnerabilities
- 8.8 High severity
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 7.8 High severity
- 7.2 High severity
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