CVE-2019-0066

Summary

An unexpected status return value weakness in the Next-Generation Multicast VPN (NG-mVPN) service of Juniper Networks Junos OS allows attacker to cause a Denial of Service (DoS) condition and core the routing protocol daemon (rpd) process when a specific malformed IPv4 packet is received by the device running BGP. This malformed packet can be crafted and sent to a victim device including when forwarded directly through a device receiving such a malformed packet, but not if the malformed packet is first de-encapsulated from an encapsulated format by a receiving device. Continued receipt of the malformed packet will result in a sustained Denial of Service condition. This issue affects: Juniper Networks Junos OS 15.1 versions prior to 15.1F6-S12, 15.1R7-S2; 15.1X49 versions prior to 15.1X49-D150 on SRX Series; 15.1X53 versions prior to 15.1X53-D68, 15.1X53-D235, 15.1X53-D495, 15.1X53-D590; 16.1 versions prior to 16.1R3-S10, 16.1R4-S12, 16.1R6-S6, 16.1R7-S2; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S9, 17.1R3; 17.2 versions prior to 17.2R1-S7, 17.2R2-S6, 17.2R3; 17.3 versions prior to 17.3R2-S4, 17.3R3.

Affected Software

Weaknesses

• CWE-394: CWE-394 Unexpected Status Code or Return Value

Workarounds

Discontinue use of BGP services if not needed. Otherwise, there are no viable workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

• https://kb.juniper.net/JSA10965
• https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/ng-mvpn-services-enabling.html

References

• https://kb.juniper.net/JSA10965
• https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/ng-mvpn-services-enabling.html

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