CVE-2017-2313 Denial of service in Junos OS with BGP enabled

High 7.5 Published 24 Apr 2017 Updated 5 Aug 2024

Attackers can cause a routing daemon crash and restart via crafted BGP updates, leading to extended denial of service 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-2017-2313?

CVE-2017-2313 is a high-severity denial of service vulnerability in Juniper Junos, published on 24 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Juniper Networks devices running affected Junos OS versions may be impacted by the receipt of a crafted BGP UPDATE which can lead to an rpd (routing process daemon) crash and restart. Repeated crashes of the rpd daemon can result in an extended denial of service condition. The affected Junos OS versions are: 15.1 prior to 15.1F2-S15, 15.1F5-S7, 15.1F6-S5, 15.1F7, 15.1R4-S7, 15.1R5-S2, 15.1R6; 15.1X49 prior to 15.1X49-D78, 15.1X49-D80; 15.1X53 prior to 15.1X53-D230, 15.1X53-D63, 15.1X53-D70; 16.1 prior to 16.1R3-S3, 16.1R4; 16.2 prior to 16.2R1-S3, 16.2R2; Releases prior to Junos OS 15.1 are unaffected by this vulnerability. 17.1R1, 17.2R1, and all subsequent releases have a resolution for this vulnerability.

Weakness: CWE-20

Which versions are affected by CVE-2017-2313?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2017-2313?

No fix has been published for CVE-2017-2313 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-2017-2313 being exploited?

There is no known exploitation of CVE-2017-2313 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-x2hc-2qmv-93rc.