CVE-2019-0008

CRITICALCVSS 9.8/10EPSS 4.54%

Last modified

CVE-2019-0008 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A certain sequence of valid BGP or IPv6 BFD packets may trigger a stack based buffer overflow in the Junos OS Packet Forwarding Engine manager (FXPC) process on QFX5000 series, EX4300, EX4600 devices. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code execution. EPSS estimates a 4.54% chance of exploitation in the next 30 days.

Description

A certain sequence of valid BGP or IPv6 BFD packets may trigger a stack based buffer overflow in the Junos OS Packet Forwarding Engine manager (FXPC) process on QFX5000 series, EX4300, EX4600 devices. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code execution. Affected releases are Juniper Networks Junos OS on QFX 5000 series, EX4300, EX4600 are: 14.1X53; 15.1X53 versions prior to 15.1X53-D235; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S2, 17.3R4; 17.4 versions prior to 17.4R2-S1, 17.4R3; 18.1 versions prior to 18.1R3-S1, 18.1R4; 18.2 versions prior to 18.2R2; 18.2X75 versions prior to 18.2X75-D30; 18.3 versions prior to 18.3R2.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
4.54%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
JuniperJunos>= 15.1x53, < 15.1x53-d235
JuniperJunos>= 17.1, < 17.1r3
JuniperJunos>= 17.2, < 17.2r3
JuniperJunos>= 17.3, < 17.3r3-s2
JuniperJunos>= 17.4, < 17.4r2-s1
JuniperJunos>= 18.1, < 18.1r3-s1
JuniperJunos>= 18.2, < 18.2r2
JuniperJunos>= 18.2x75, < 18.2x75-d30
JuniperJunos>= 18.3, < 18.3r2
JuniperJunos14.1x53
JuniperJunos17.3
JuniperJunos17.4
JuniperJunos18.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-0008?
A certain sequence of valid BGP or IPv6 BFD packets may trigger a stack based buffer overflow in the Junos OS Packet Forwarding Engine manager (FXPC) process on QFX5000 series, EX4300, EX4600 devices. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code execution. Affected releases are Juniper Networks Junos OS on QFX 5000 series, EX4300, EX4600 are: 14.1X53; 15.1X53 versions prior to 15.1X53-D235; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S2, 17.3R4; 17.4 versions prior to 17.4R2-S1, 17.4R3; 18.1 versions prior to 18.1R3-S1, 18.1R4; 18.2 versions prior to 18.2R2; 18.2X75 versions prior to 18.2X75-D30; 18.3 versions prior to 18.3R2.
How severe is CVE-2019-0008?
CVE-2019-0008 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.54% probability of exploitation in the next 30 days.
How do I fix CVE-2019-0008?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-0008?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST