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CVE-2018-0050

Junos OS: Receipt of a malformed MPLS RSVP packet leads to a Routing Protocols Daemon (RPD) crash.

HIGH
7.5
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
HIGH7.5
Exploit prediction
EPSS 2%

Description

An error handling vulnerability in Routing Protocols Daemon (RPD) of Juniper Networks Junos OS allows an attacker to cause RPD to crash. Continued receipt of this malformed MPLS RSVP packet will cause a sustained Denial of Service condition. Affected releases are Juniper Networks Junos OS: 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D48 on QFX Switching; 14.2 versions prior to 14.1X53-D130 on QFabric System; 14.2 versions prior to 14.2R4. This issue does not affect versions of Junos OS before 14.1R1. Junos OS RSVP only supports IPv4. IPv6 is not affected by this issue. This issue require it to be received on an interface configured to receive this type of traffic.

Affected

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

Junos· Juniper Networks
95%
14.1 ≤ v < 14.1R8-S5, 14.1R914.1X53 ≤ v < 14.1X53-D4814.2 ≤ v < 14.1X53-D13014.2 ≤ v < 14.2R414.114.1 r114.1 r214.1 r314.1 r414.1 r514.1 r614.1 r714.1 r914.1X5314.1x5314.1x53 d1014.1x53 d12114.1x53 d1514.1x53 d1614.1x53 d2514.1x53 d2614.1x53 d2714.1x53 d3014.1x53 d3514.1x53 d4014.1x53 d4214.1x53 d4314.1x53 d4414.1x53 d4514.1x53 d4614.1x53 d4714.1x53 d4814.214.2 r114.2 r214.2 r3
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-D130, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1X53-D48, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.2R4, 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_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/106206
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1041851
x_refsource_CONFIRMMitigationVendor Advisory
Source: [email protected]
https://kb.juniper.net/JSA10884

CVSS

7.5HIGHjuniper
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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