CVE-2019-0006

Junos OS: EX, QFX and MX series: Packet Forwarding Engine manager (FXPC) process crashes due to a crafted HTTP packet in a Virtual Chassis configuration

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.

Remediation

Solution:

  • The following Junos OS releases have been updated to resolve this specific issue: 14.1X53-D47, 15.1R7-S3, 16.1R1 and all subsequent releases.

Workaround:

  • There are no viable workarounds for this issue.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.68% Top 20%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/106666 third party advisory vdb entry
https://kb.juniper.net/JSA10906 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-0006?
CVE-2019-0006 has been scored as a critical severity vulnerability.
How to fix CVE-2019-0006?
To fix CVE-2019-0006: The following Junos OS releases have been updated to resolve this specific issue: 14.1X53-D47, 15.1R7-S3, 16.1R1 and all subsequent releases.
Is CVE-2019-0006 being actively exploited in the wild?
It is possible that CVE-2019-0006 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-0006?
CVE-2019-0006 affects Juniper Networks Junos OS, Juniper Networks Junos OS.
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