What is CVE-2019-0008?

CVE-2019-0008 is a critical-severity vulnerability in Juniper Ex4300, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-04-10.

How severe is CVE-2019-0008?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Juniper Ex4300

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.

Vulnerability class: Buffer Overflow

EPSS: 0.045 (91.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Juniper Ex4300
Juniper Ex4300m
Juniper Ex4600
Juniper Ex4650
Juniper Junos — versions 14.1x53, 17.3, 17.4
Juniper Qfx5100
Juniper Qfx5110
Juniper Qfx5120
Juniper Qfx5200-32c
Juniper Qfx5200-48y

Weakness classification (CWE)

References

sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)
sirt@juniper.net (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2019-0008?: CVE-2019-0008 is a critical-severity vulnerability in Juniper Ex4300, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-04-10.
How severe is CVE-2019-0008?: Critical severity. CVSS v3 base score is 9.8 out of 10.