CyberSecBulletin
CVE-2022-24618NVD status: Modified

Heimdal Premium Security: Improper Preservation of Permissions

CVE-2022-24618 is a high-severity improper preservation of permissions vulnerability in Heimdal Premium Security from Heimdalsecurity, 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. The record lists version 2.5.398 as the first without the flaw, so updating Heimdal Premium Security to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.25% 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 Heimdal Premium Security to 2.5.398 or a later version.
  2. Read the advisory on support.heimdalsecurity.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
HeimdalsecurityHeimdal Premium Securitybefore 2.5.3982.5.398

Version data comes from NVD's product matching. 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 systemScoreSeverityScored by
CVSS 3.17.8HighNVD
CVSS 2.07.2HighNVD

Official description

Heimdal.Wizard.exe installer in Heimdal Premium Security 2.5.395 and earlier has insecure permissions, which allows unprivileged local users to elevate privileges to SYSTEM via the "Browse For Folder" window accessible by triggering a "Repair" on the MSI package located in C:\Windows\Installer.

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

The underlying weakness: Improper Preservation of Permissions

The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.

More Improper Preservation of Permissions vulnerabilities (CWE-281)

Timeline

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

References

Recent Improper Preservation of Permissions vulnerabilities

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