CVE-2018-0003

Junos OS: A crafted MPLS packet may lead to a kernel crash

Published Jan 10, 2018 CVSS 3.0 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
A specially crafted MPLS packet received or processed by the system, on an interface configured with MPLS, will store information in the system memory. Subsequently, if this stored information is accessed, this may result in a kernel crash leading to a denial of service. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D71; 12.3 versions prior to 12.3R12-S7; 12.3X48 versions prior to 12.3X48-D55; 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D45, 14.1X53-D107; 14.2 versions prior to 14.2R7-S7, 14.2R8; 15.1 versions prior to 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7; 15.1X49 versions prior to 15.1X49-D100; 15.1X53 versions prior to 15.1X53-D65, 15.1X53-D231; 16.1 versions prior to 16.1R3-S6, 16.1R4-S6, 16.1R5; 16.1X65 versions prior to 16.1X65-D45; 16.2 versions prior to 16.2R2-S1, 16.2R3; 17.1 versions prior to 17.1R2-S2, 17.1R3; 17.2 versions prior to 17.2R1-S3, 17.2R2; 17.2X75 versions prior to 17.2X75-D50. No other Juniper Networks products or platforms are affected by this issue.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: 12.1X46-D71, 12.3R12-S7, 12.3X48-D55, 14.1R8-S5, 14.1R9, 14.1X53-D45, 14.1X53-D107, 14.2R7-S7, 14.2R8, 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7, 15.1X49-D100, 15.1X53-D65, 15.1X53-D231, 16.1R3-S6, 16.1R4-S6, 16.1R5, 16.1R3-S6, 16.1R4-S6, 16.1R5, 16.1X65-D45, 16.2R2-S1, 16.2R3, 17.1R2-S2, 17.1R3, 17.2R1-S3, 17.2R2, 17.2X75-D50, 17.3R1, and all subsequent releases.


Vendor Workaround

Disallow MPLS packets from reaching the device. Remove MPLS configuration stanzas from interface configurations that are at risk. No other viable workarounds exist for this issue.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-0828 A specially crafted MPLS packet received or processed by the system, on an interface configured with MPLS, will store information in the system memory. Subsequently, if this stored information is accessed, this may result in a kernel crash leading to a denial of service. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D71; 12.3 versions prior to 12.3R12-S7; 12.3X48 versions prior to 12.3X48-D55; 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D45, 14.1X53-D107; 14.2 versions prior to 14.2R7-S7, 14.2R8; 15.1 versions prior to 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7; 15.1X49 versions prior to 15.1X49-D100; 15.1X53 versions prior to 15.1X53-D65, 15.1X53-D231; 16.1 versions prior to 16.1R3-S6, 16.1R4-S6, 16.1R5; 16.1X65 versions prior to 16.1X65-D45; 16.2 versions prior to 16.2R2-S1, 16.2R3; 17.1 versions prior to 17.1R2-S2, 17.1R3; 17.2 versions prior to 17.2R1-S3, 17.2R2; 17.2X75 versions prior to 17.2X75-D50. No other Juniper Networks products or platforms are affected by this issue.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Sep 17, 2024, 2:07 AM
Reserved
Nov 16, 2017, 12:00 AM
Status
Modified
Published
Jan 10, 2018, 10:29 PM
Modified
Jun 17, 2026, 1:29 AM