CVE-2018-8867 Denial of service 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 versionsPACSystems CPU320/CRU320 RXi all versions
Remote attackers can cause denial of service on GE PACSystems PLCs by sending specially crafted packets due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8867?
CVE-2018-8867 is a high-severity denial of service vulnerability in 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, published on 18 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2018-8867?
It affects 8 products.
Products include Ge Pacsystems Cpu320 Firmware, Ge Pacsystems Cru320 Firmware, Ge Pacsystems Rsti-Ep Cpe 100 Firmware, Ge Pacsystems Rx3i Cpe305 Firmware, Ge Pacsystems Rx3i Cpe310 Firmware, Ge Pacsystems Rxi Firmware and 2 more.
How do I fix CVE-2018-8867?
No fix has been published for CVE-2018-8867 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-8867 being exploited?
There is no known exploitation of CVE-2018-8867 in the wild and no public exploit code.
Sources
Also known as GHSA-wfw6-x555-wh4g.