CVE-2019-0050 Junos OS: SRX1500: Denial of service due to crash of srxpfe process under heavy traffic conditions.

High 7.5 Published 9 Oct 2019 Updated 16 Sep 2024

Heavy traffic causes the srxpfe process to crash on Juniper SRX1500 devices, resulting in a denial of service condition.

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-2019-0050?

CVE-2019-0050 is a high-severity denial of service vulnerability in Juniper Junos, published on 9 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Under certain heavy traffic conditions srxpfe process can crash and result in a denial of service condition for the SRX1500 device. Repeated crashes of the srxpfe can result in an extended denial of service condition. The SRX device may fail to forward traffic when this condition occurs. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D170 on SRX1500; 17.3 versions prior to 17.3R3-S7 on SRX1500; 17.4 versions prior to 17.4R2-S8, 17.4R3 on SRX1500; 18.1 versions prior to 18.1R3-S8 on SRX1500; 18.2 versions prior to 18.2R3 on SRX1500; 18.3 versions prior to 18.3R2 on SRX1500; 18.4 versions prior to 18.4R2 on SRX1500.

Which versions are affected by CVE-2019-0050?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2019-0050?

No fix has been published for CVE-2019-0050 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-2019-0050 being exploited?

There is no known exploitation of CVE-2019-0050 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-25f3-wx76-5pq5.