CVE-2018-8867 — In GE PACSystems RX3i CPE305/310 version 9

In GE PACSystems RX3i CPE305/310 version 9.20 and prior, RX3i CPE330 version 9.21 and prior, RX3i CPE 400 version 9.30 and prior, PACSystems RSTi-EP CPE 100 all versions, and PACSystems CPU320/CRU320 RXi all versions, the device does not properly validate input, which could allow

01What is this vulnerability?

In GE PACSystems RX3i CPE305/310 version 9.20 and prior, RX3i CPE330 version 9.21 and prior, RX3i CPE 400 version 9.30 and prior, PACSystems RSTi-EP CPE 100 all versions, and PACSystems CPU320/CRU320 RXi all versions, the device does not properly validate input, which could allow a remote attacker to send specially crafted packets causing the device to become unavailable.

02Affected products

Vendor	Product	Versions
ICS-CERT	GE PACSystems RX3i CPE305/310 version 9.20 and prior RX3i CPE330 version 9.21 and prior RX3i CPE 400 version 9.30 and prior PACSystems RSTi	EP CPE 100 all versionsPACSystems CPU320/CRU320 RXi all versions — GE PACSystems RX3i CPE305/310 version 9.20 and prior RX3i CPE330 version 9.21 and prior RX3i CPE 400 version 9.30 and prior PACSystems RSTi-EP CPE 100 all versionsPACSystems CPU320/CRU320 RXi all versions

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: 2018-05-18T20:00:00.000Z
• Last modified: 2024-09-16T18:43:49.739Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/104241
• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-18-137-01