CyberSecBulletin
CVE-2023-28074NVD status: Modified

Dell BSAFE Micro Edition Suite: Out-of-bounds Read

CVE-2023-28074 is a high-severity out-of-bounds read vulnerability in Dell BSAFE Micro Edition Suite from Dell, with a CVSS 3.1 base score of 7.1 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 Dell BSAFE Micro Edition Suite versions: 5.0; 4.0 through 4.6.1. 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.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Bsafe Micro-edition-suite to 4.6.2 or a later version.
  2. Read the advisory on dell.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
DellDell BSAFE Micro Edition Suite5.0; 4.0 through 4.6.1Not stated
DellDell BSAFE Crypto-C Micro Edition4.0 through 4.1.5Not stated
DellBsafe Crypto-c-micro-edition4.0.0 through 4.1.5Not stated
DellBsafe Micro-edition-suite4.0.0 up to, but not including, 4.6.2; 5.04.6.2

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
NoneNothing can be modified.
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:N/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.16.2MediumCNA (emc.com)
CVSS 3.17.1HighNVD

Official description

Dell BSAFE Crypto-C Micro Edition, version 4.1.5, and Dell BSAFE Micro Edition Suite, versions 4.0 through 4.6.1 and version 5.0, contains an Out-of-bounds Read vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to Information exposure.

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

The underlying weakness: Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

How developers prevent this class of flaw

  • Use a language that provides appropriate memory abstractions.

More Out-of-bounds Read vulnerabilities (CWE-125)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Recent Out-of-bounds Read vulnerabilities

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