SupportAssist: Exposure of Resource to Wrong Sphere
CVE-2022-34387 is a high-severity exposure of resource to wrong sphere vulnerability in SupportAssist from Dell, 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 SupportAssist versions: 3.11.4, 3.2.0 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.15% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of SupportAssist you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on dell.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Dell | SupportAssist | 3.11.4, 3.2.0 and earlier | Not stated |
| Dell | Supportassist For Business Pcs | 3.2.0 and earlier | Not stated |
| Dell | Supportassist For Home Pcs | 3.11.4 and earlier | Not 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
- 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.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 6.4 | Medium | CNA (emc.com) |
| CVSS 3.1 | 7.8 | High | NVD |
Official description
Dell SupportAssist for Home PCs (version 3.11.4 and prior) and SupportAssist for Business PCs (version 3.2.0 and prior) contain a privilege escalation vulnerability. A local authenticated malicious user could potentially exploit this vulnerability to elevate privileges and gain total control of the system.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
More Exposure of Resource to Wrong Sphere vulnerabilities (CWE-668)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Other vulnerabilities in SupportAssist
- 7.1 High severity
Recent Exposure of Resource to Wrong Sphere vulnerabilities
- 8.1 High severity
- 7.8 High severity
- 7.5 High severity
- 7.8 High severity
- 9.1 Critical severity
- 9.8 Critical severity
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