CVE-2017-2302 Denial of service in Junos OS where the BGP add-path feature is enabled with 'send' option or with both 'send' and 'receive' options

High 7.5 Published Updated

A remote attacker can crash the routing daemon causing denial of service if BGP add-path send options are enabled.

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-2017-2302?

CVE-2017-2302 is a high-severity denial of service vulnerability in Juniper Junos, published on 30 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

On Juniper Networks products or platforms running Junos OS 12.1X46 prior to 12.1X46-D55, 12.1X47 prior to 12.1X47-D45, 12.3R13 prior to 12.3R13, 12.3X48 prior to 12.3X48-D35, 13.3 prior to 13.3R10, 14.1 prior to 14.1R8, 14.1X53 prior to 14.1X53-D40, 14.1X55 prior to 14.1X55-D35, 14.2 prior to 14.2R6, 15.1 prior to 15.1F2 or 15.1R1, 15.1X49 prior to 15.1X49-D20 where the BGP add-path feature is enabled with 'send' option or with both 'send' and 'receive' options, a network based attacker can cause the Junos OS rpd daemon to crash and restart. Repeated crashes of the rpd daemon can result in an extended denial of service condition.

Which versions are affected by CVE-2017-2302?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2017-2302?

No fix has been published for CVE-2017-2302 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-2017-2302 being exploited?

There is no known exploitation of CVE-2017-2302 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-9hc3-95jh-c23v.

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