CVE-2019-0019

Summary

When BGP tracing is enabled an incoming BGP message may cause the Junos OS routing protocol daemon (rpd) process to crash and restart. While rpd restarts after a crash, repeated crashes can result in an extended DoS condition. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S4, 16.1R7-S5; 16.2 versions prior to 16.2R2-S9, 16.2R3; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3-S1; 17.3 versions prior to 17.3R3-S3, 17.3R3-S4, 17.3R4; 17.4 versions prior to 17.4R1-S7, 17.4R2-S3, 17.4R2-S4, 17.4R3; 18.1 versions prior to 18.1R2-S4, 18.1R3-S4, 18.1R4; 18.2 versions prior to 18.2R2-S2, 18.2R2-S3, 18.2R3; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R1-S3, 18.3R2; 18.4 versions prior to 18.4R1-S2, 18.4R2. This issue does not affect Junos releases prior to 16.1R1.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS16.1 < 16.1R7-S4, 16.1R7-S5affected
Juniper NetworksJunos OS16.2 < 16.2R2-S9, 16.2R3affected
Juniper NetworksJunos OS17.1 < 17.1R3affected
Juniper NetworksJunos OS17.2 < 17.2R3-S1affected
Juniper NetworksJunos OS17.3 < 17.3R3-S3, 17.3R3-S4, 17.3R4affected
Juniper NetworksJunos OS17.4 < 17.4R1-S7, 17.4R2-S3, 17.4R2-S4, 17.4R3affected
Juniper NetworksJunos OS18.1 < 18.1R2-S4, 18.1R3-S4, 18.1R4affected
Juniper NetworksJunos OS18.2 < 18.2R2-S2, 18.2R2-S3, 18.2R3affected
Juniper NetworksJunos OS18.2X75 < 18.2X75-D40affected
Juniper NetworksJunos OS18.3 < 18.3R1-S3, 18.3R2affected
Juniper NetworksJunos OS18.4 < 18.4R1-S2, 18.4R2affected
Juniper NetworksJunos OSall < 16.1unaffected

Weaknesses

  • CWE-404: CWE-404 Improper Resource Shutdown or Release

Workarounds

The issue can be mitigated by disabling BGP tracing.

Use authentication for BGP (tcp-md5, ipsec, etc.) to mitigate the issue.

ADP Enrichment

CVE Program Container

Additional References

References