CVE-2018-0003

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

MEDIUM
6.5
CVSS Score
Published: January 10, 2018 at 10:00 PM UTC
Updated: June 17, 2026 at 01:29 AM UTC
1 product affected across 1 vendorJunos

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.9%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

12.1X46 ≤ v < 12.1X46-D7112.3 ≤ v < 12.3R12-S712.3X48 ≤ v < 12.3X48-D5514.1 ≤ v < 14.1R8-S5, 14.1R914.1X53 ≤ v < 14.1X53-D45, 14.1X53-D10714.2 ≤ v < 14.2R7-S7, 14.2R815.1 ≤ v < 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R715.1X49 ≤ v < 15.1X49-D10015.1X53 ≤ v < 15.1X53-D65, 15.1X53-D23116.1 ≤ v < 16.1R3-S6, 16.1R4-S6, 16.1R516.1X65 ≤ v < 16.1X65-D4516.2 ≤ v < 16.2R2-S1, 16.2R317.1 ≤ v < 17.1R2-S2, 17.1R317.2 ≤ v < 17.2R1-S3, 17.2R217.2X75 ≤ v < 17.2X75-D5012.1X4612.1x4612.1x46 d1012.1x46 d1512.1x46 d2012.1x46 d2512.1x46 d3012.1x46 d3512.1x46 d4012.1x46 d4512.1x46 d5012.1x46 d5512.1x46 d6012.1x46 d6512.1x46 d7012.312.3 r112.3 r1012.3 r212.3 r312.3 r412.3 r512.3 r612.3 r712.3 r812.3 r912.3X4812.3x4812.3x48 d1012.3x48 d1512.3x48 d2012.3x48 d2512.3x48 d3012.3x48 d3512.3x48 d4012.3x48 d4512.3x48 d5014.114.1 r114.1 r214.1 r314.1 r414.1 r514.1 r614.1 r714.1 r914.1X5314.1x53 d1014.1x53 d10714.1x53 d1514.1x53 d1614.1x53 d2514.1x53 d2614.1x53 d2714.1x53 d3014.1x53 d3514.214.2 r114.2 r214.2 r314.2 r414.2 r714.2 r815.115.1 f115.1 f215.1 f315.1 f415.1 f6-s815.1 r5-s615.1 r6-s315.1 r715.1X4915.1X5315.1x4915.1x49 d1015.1x49 d2015.1x49 d3015.1x49 d3515.1x49 d4015.1x49 d4515.1x49 d5015.1x49 d5515.1x49 d6015.1x49 d6515.1x49 d7015.1x49 d7515.1x49 d8015.1x49 d9015.1x53 d1015.1x53 d2015.1x53 d2115.1x53 d23115.1x53 d2515.1x53 d3015.1x53 d3215.1x53 d3315.1x53 d3416.116.1 r116.1 r216.1 r416.1 r516.1X6516.1x65 d2016.1x65 d3016.216.2 r116.2 r317.117.1 r117.1 r317.217.2 r217.2X7517.2x75
Affected range stops below 12.1X46-D71, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.3R12-S7, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.3X48-D55, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1R8-S5, 14.1R9, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1X53-D45, 14.1X53-D107, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.2R7-S7, 14.2R8, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1X49-D100, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1X53-D65, 15.1X53-D231, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1R3-S6, 16.1R4-S6, 16.1R5, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1X65-D45, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.2R2-S1, 16.2R3, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.1R2-S2, 17.1R3, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.2R1-S3, 17.2R2, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.2X75-D50, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1040179
x_refsource_CONFIRMPatchVendor Advisory
https://kb.juniper.net/JSA10831

CVSS

6.5MEDIUMjuniper
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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