CVE-2018-19113 — The Pronestor PNHM (aka Health Monitoring or HealthMonitor) add-in before 8

The Pronestor PNHM (aka Health Monitoring or HealthMonitor) add-in before 8.1.13.0 for Outlook has "BUILTIN\Users:(I)(F)" permissions for the "%PROGRAMFILES(X86)%\proNestor\Outlook add-in for Pronestor\PronestorHealthMonitor.exe" file, which allows local users

01What is this vulnerability?

The Pronestor PNHM (aka Health Monitoring or HealthMonitor) add-in before 8.1.13.0 for Outlook has "BUILTIN\Users:(I)(F)" permissions for the "%PROGRAMFILES(X86)%\proNestor\Outlook add-in for Pronestor\PronestorHealthMonitor.exe" file, which allows local users to gain privileges via a Trojan horse PronestorHealthMonitor.exe file.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-04-01T20:09:53.000Z
• Last modified: 2024-08-05T11:30:04.116Z

09References

• www.pronestor.com — https://www.pronestor.com
• gist.github.com — https://gist.github.com/povlteksttv/8f990e11576e1e90e8fb61acf8646d28
• packetstormsecurity.com — http://packetstormsecurity.com/files/153275/Pronestor-Health-Monitoring-Privileg…