CVE-2019-0009

Junos OS: EX2300 and EX3400: High disk I/O operations may disrupt the communication between RE and PFE

Published Jan 15, 2019 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
On EX2300 and EX3400 series, high disk I/O operations may disrupt the communication between the routing engine (RE) and the packet forwarding engine (PFE). In a virtual chassis (VC) deployment, this issue disrupts communication between the VC members. This issue does not affect other Junos platforms. Affected releases are Junos OS on EX2300 and EX3400 series: 15.1X53 versions prior to 15.1X53-D590; 18.1 versions prior to 18.1R2-S2, 18.1R3; 18.2 versions prior to 18.2R2.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: Junos OS 15.1X53-D113, 15.1X53-D590, 18.1R2-S2, 18.1R3, 18.2R2, 18.3R1, and all subsequent releases.


Vendor Workaround

Avoid performing operation that may generate high disk I/O. Limiting the access to the device to only trusted administrators from trusted administrative networks or hosts would minimize the risk.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2019-0816 On EX2300 and EX3400 series, high disk I/O operations may disrupt the communication between the routing engine (RE) and the packet forwarding engine (PFE). In a virtual chassis (VC) deployment, this issue disrupts communication between the VC members. This issue does not affect other Junos platforms. Affected releases are Junos OS on EX2300 and EX3400 series: 15.1X53 versions prior to 15.1X53-D590; 18.1 versions prior to 18.1R2-S2, 18.1R3; 18.2 versions prior to 18.2R2.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Sep 16, 2024, 8:36 PM
Reserved
Oct 11, 2018, 12:00 AM
Status
Modified
Published
Jan 15, 2019, 9:29 PM
Modified
Jun 17, 2026, 2:07 AM