CVE-2019-0006 Null dereference in Junos OS

Critical 9.8 Published 15 Jan 2019 Updated 16 Sep 2024

Crafted HTTP packets can crash the Packet Forwarding Engine manager or enable remote code execution on Juniper devices in Virtual Chassis configurations.

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-2019-0006?

CVE-2019-0006 is a critical vulnerability in Juniper Junos, published on 15 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A certain crafted HTTP packet can trigger an uninitialized function pointer deference vulnerability in the Packet Forwarding Engine manager (fxpc) on all EX, QFX and MX Series devices in a Virtual Chassis configuration. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code execution. This issue only occurs when the crafted packet it destined to the device. Affected releases are Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D47 on EX and QFX Virtual Chassis Platforms; 15.1 versions prior to 15.1R7-S3 all Virtual Chassis Platforms 15.1X53 versions prior to 15.1X53-D50 on EX and QFX Virtual Chassis Platforms.

Weakness: CWE-908

Which versions are affected by CVE-2019-0006?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2019-0006?

No fix has been published for CVE-2019-0006 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-0006 being exploited?

There is no known exploitation of CVE-2019-0006 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-8768-g4fm-ccgh.