CVE-2018-7824 — An Externally Controlled Reference to a Resource (CWE-610) vulnerability exists

An Externally Controlled Reference to a Resource (CWE-610) vulnerability exists in Schneider Electric Modbus Serial Driver (For 64-bit Windows OS:V3.17 IE 37 and prior , For 32-bit Windows OS:V2.17 IE 27 and prior, and as part of the Driver Suite version:V14.12 and prior) which c

01What is this vulnerability?

An Externally Controlled Reference to a Resource (CWE-610) vulnerability exists in Schneider Electric Modbus Serial Driver (For 64-bit Windows OS:V3.17 IE 37 and prior , For 32-bit Windows OS:V2.17 IE 27 and prior, and as part of the Driver Suite version:V14.12 and prior) which could allow write access to system files available only to users with SYSTEM privilege or other important user files.

02Affected products

Vendor	Product	Versions
Schneider	Schneider Electric Modbus Serial Driver (For 64	bit Windows OS:V3.17 IE 37 and prior , For 32-bit Windows OS:V2.17 IE 27 and prior, and as part of the Driver Suite version:V14.12 and prior) — Schneider Electric Modbus Serial Driver (For 64-bit Windows OS:V3.17 IE 37 and prior, For 32-bit Windows OS:V2.17 IE 27 and prior, and as part of the Driver Suite version:V14.12 and prior)

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: 2019-05-22T19:27:44.000Z
• Last modified: 2024-08-05T06:37:59.163Z

09References

• www.schneider-electric.com — https://www.schneider-electric.com/en/download/document/SEVD-2019-099-01/