CVE-2017-2314 Junos: RPD crash due to malformed BGP OPEN message

High 7.5 Published 14 Jul 2017 Updated 16 Sep 2024

An attacker can cause a prolonged denial of service by sending malformed BGP OPEN messages that crash the routing protocol daemon.

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-2017-2314?

CVE-2017-2314 is a high-severity denial of service vulnerability in Juniper Junos, published on 14 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Receipt of a malformed BGP OPEN message may cause the routing protocol daemon (rpd) process to crash and restart. By continuously sending specially crafted BGP OPEN messages, an attacker can repeatedly crash the rpd process causing prolonged denial of service. No other Juniper Networks products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS 12.3 prior to 12.3R12-S4, 12.3R13, 12.3R3-S4; 12.3X48 prior to 12.3X48-D50; 13.3 prior to 13.3R4-S11, 13.3R10; 14.1 prior to 14.1R8-S3, 14.1R9; 14.1X53 prior to 14.1X53-D40; 14.1X55 prior to 14.1X55-D35; 14.2 prior to 14.2R4-S7, 14.2R6-S4, 14.2R7; 15.1 prior to 15.1F2-S11, 15.1F4-S1-J1, 15.1F5-S3, 15.1F6, 15.1R4; 15.1X49 prior to 15.1X49-D100; 15.1X53 prior to 15.1X53-D33, 15.1X53-D50.

Weakness: CWE-20

Which versions are affected by CVE-2017-2314?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2017-2314?

No fix has been published for CVE-2017-2314 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-2017-2314 being exploited?

There is no known exploitation of CVE-2017-2314 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-5pw8-wwr7-95h7.