CVE-2019-0065

Summary

On MX Series, when the SIP ALG is enabled, receipt of a certain malformed SIP packet may crash the MS-PIC component on MS-MIC or MS-MPC. By continuously sending a crafted SIP packet, an attacker can repeatedly bring down MS-PIC on MS-MIC/MS-MPC causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on MX Series: 16.1 versions prior to 16.1R7-S5; 16.2 versions prior to 16.2R2-S11; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R3-S6 ; 17.4 versions prior to 17.4R2-S8, 17.4R3; 18.1 versions prior to 18.1R3-S3; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS16.1 < 16.1R7-S5affected
Juniper NetworksJunos OS16.2 < 16.2R2-S11affected
Juniper NetworksJunos OS17.1 < 17.1R3affected
Juniper NetworksJunos OS17.2 < 17.2R3-S3affected
Juniper NetworksJunos OS17.3 < 17.3R3-S6affected
Juniper NetworksJunos OS17.4 < 17.4R2-S8, 17.4R3affected
Juniper NetworksJunos OS18.1 < 18.1R3-S3affected
Juniper NetworksJunos OS18.2 < 18.2R3affected
Juniper NetworksJunos OS18.3 < 18.3R2affected
Juniper NetworksJunos OS18.4 < 18.4R2affected

Weaknesses

  • DoS

Workarounds

Disable the use of the SIP application layer gateway (ALG) configuration if not needed.

ADP Enrichment

CVE Program Container

Additional References

References