CVE-2018-0032 Junos OS: RPD crash when receiving a crafted BGP UPDATE

High 7.5 Published 11 Jul 2018 Updated 16 Sep 2024

Attackers can cause a denial of service by sending crafted BGP updates that crash the routing process daemon on Juniper devices.

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-2018-0032?

CVE-2018-0032 is a high-severity denial of service vulnerability in Juniper Junos, published on 11 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The receipt of a crafted BGP UPDATE can lead to a routing process daemon (RPD) crash and restart. Repeated receipt of the same crafted BGP UPDATE can result in an extended denial of service condition for the device. This issue only affects the specific versions of Junos OS listed within this advisory. Earlier releases are unaffected by this vulnerability. This crafted BGP UPDATE does not propagate to other BGP peers. Affected releases are Juniper Networks Junos OS: 16.1X65 versions prior to 16.1X65-D47; 17.2X75 versions prior to 17.2X75-D91, 17.2X75-D110; 17.3 versions prior to 17.3R1-S4, 17.3R2; 17.4 versions prior to 17.4R1-S3, 17.4R2.

Weakness: CWE-20

Which versions are affected by CVE-2018-0032?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2018-0032?

No fix has been published for CVE-2018-0032 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-2018-0032 being exploited?

There is no known exploitation of CVE-2018-0032 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-44r6-wp57-342h.