CVE-2018-0058

MX Series: In BBE configurations, receipt of a crafted IPv6 exception packet causes a Denial of Service

MEDIUM

5.9

CVSS Score

Published: October 10, 2018 at 06:00 PM UTC

Updated: June 17, 2026 at 01:29 AM UTC

1 product affected across 1 vendorJunos

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Severity

MEDIUM5.9

Exploit prediction

EPSS 1%

Description

Receipt of a specially crafted IPv6 exception packet may be able to trigger a kernel crash (vmcore), causing the device to reboot. The issue is specific to the processing of Broadband Edge (BBE) client route processing on MX Series subscriber management platforms, introduced by the Tomcat (Next Generation Subscriber Management) functionality in Junos OS 15.1. This issue affects no other platforms or configurations. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S2, 15.1R8 on MX Series; 16.1 versions prior to 16.1R4-S11, 16.1R7-S2, 16.1R8 on MX Series; 16.2 versions prior to 16.2R3 on MX Series; 17.1 versions prior to 17.1R2-S9, 17.1R3 on MX Series; 17.2 versions prior to 17.2R2-S6, 17.2R3 on MX Series; 17.3 versions prior to 17.3R2-S4, 17.3R3-S2, 17.3R4 on MX Series; 17.4 versions prior to 17.4R2 on MX Series; 18.1 versions prior to 18.1R2-S3, 18.1R3 on MX Series; 18.2 versions prior to 18.2R1-S1, 18.2R2 on MX Series.

Affected

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

Junos · Juniper Networks

95%

15.1 ≤ v < 15.1R7-S2, 15.1R816.1 ≤ v < 16.1R4-S11, 16.1R7-S2, 16.1R816.2 ≤ v < 16.2R317.1 ≤ v < 17.1R2-S9, 17.1R317.2 ≤ v < 17.2R2-S6, 17.2R317.3 ≤ v < 17.3R2-S4, 17.3R3-S2, 17.3R417.4 ≤ v < 17.4R218.1 ≤ v < 18.1R2-S3, 18.1R318.2 ≤ v < 18.2R1-S1, 18.2R215.1 15.1 f2 15.1 f3 15.1 f4 15.1 f5 15.1 f6 15.1 f7 15.1 r1 15.1 r2 15.1 r3 15.1 r4 15.1 r5 15.1 r6 16.1 16.1 r1 16.1 r2 16.1 r3 16.1 r5 16.1 r6 16.2 16.2 r1 16.2 r2 17.1 17.1 r1 17.2 17.2 r1 17.3 17.3 r1 17.4 17.4 r1 18.1 18.1 r1 18.2

Affected range stops below 15.1R7-S2, 15.1R8, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1R4-S11, 16.1R7-S2, 16.1R8, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.2R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1R2-S9, 17.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2R2-S6, 17.2R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.3R2-S4, 17.3R3-S2, 17.3R4, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.1R2-S3, 18.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.2R1-S1, 18.2R2, 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 (2)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA10893

x_refsource_MISCVendor Advisory

Source: [email protected]

https://kb.juniper.net/KB31899

CVSS

5.9MEDIUMjuniper

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20

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