CVE-2016-1257 Denial of service in n/a

Medium 5.9 Published 15 Jan 2016 Updated 5 Aug 2024

Remote attackers can crash the routing process via crafted LDP packets, causing denial of service on Juniper devices with LDP 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-2016-1257?

CVE-2016-1257 is a medium-severity denial of service vulnerability in Juniper Junos, published on 15 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Routing Engine in Juniper Junos OS 13.2R5 through 13.2R8, 13.3R1 before 13.3R8, 13.3R7 before 13.3R7-S3, 14.1R1 before 14.1R6, 14.1R3 before 14.1R3-S9, 14.1R4 before 14.1R4-S7, 14.1X51 before 14.1X51-D65, 14.1X53 before 14.1X53-D12, 14.1X53 before 14.1X53-D28, 14.1X53 before 4.1X53-D35, 14.2R1 before 14.2R5, 14.2R3 before 14.2R3-S4, 14.2R4 before 14.2R4-S1, 15.1 before 15.1R3, 15.1F2 before 15.1F2-S2, and 15.1X49 before 15.1X49-D40, when LDP is enabled, allows remote attackers to cause a denial of service (RPD routing process crash) via a crafted LDP packet.

Weakness: CWE-20

Which versions are affected by CVE-2016-1257?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2016-1257?

No fix has been published for CVE-2016-1257 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-2016-1257 being exploited?

There is no known exploitation of CVE-2016-1257 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-m342-5vmf-gj7w.