Description:

Juniper has released a security updates to address multiple vulnerabilities in the following products:

• Juniper Networks Junos OS
  • all versions prior to 17.3R3-S11;
  • 17.4 versions prior to 17.4R2-S12, 17.4R3-S3;
  • 18.1 versions prior to 18.1R3-S11;
  • 18.2 versions prior to 18.2R3-S6;
  • 18.3 versions prior to 18.3R3-S4;
  • 18.4 versions prior to 18.4R2-S7, 18.4R3-S6;
  • 19.1 versions prior to 19.1R2-S2, 19.1R3-S4;
  • 19.2 versions prior to 19.2R1-S6, 19.2R3-S1;
  • 19.3 versions prior to 19.3R3-S1;
  • 19.4 versions prior to 19.4R2-S2, 19.4R3-S1;
  • 20.1 versions prior to 20.1R1-S4, 20.1R2;
  • 20.2 versions prior to 20.2R2.
  • all versions prior to 17.3R3-S10;
  • 17.4 versions prior to 17.4R2-S12, 17.4R3-S3;
  • 18.1 versions prior to 18.1R3-S11;
  • 18.2 versions prior to 18.2R2-S8, 18.2R3-S6;
  • 18.3 versions prior to 18.3R3-S4;
  • 18.4 versions prior to 18.4R1-S8, 18.4R2-S7, 18.4R3-S6;
  • 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3;
  • 19.2 versions prior to 19.2R3-S1;
  • 19.3 versions prior to 19.3R2-S5, 19.3R3-S1;
  • 19.4 versions prior to 19.4R2-S2, 19.4R3-S1;
  • 20.1 versions prior to 20.1R2;
  • 20.2 versions prior to 20.2R1-S2, 20.2R2;
  • 20.3 versions prior to 20.3R1-S1, 20.3R2.
  • 17.3, 17.4, 18.1, 18.2, 18.3, 18.4, 19.1, 19.2, 19.3, 19.4, 20.1, 20.2
  • 14.1X53 versions prior to 14.1X53-D54;
  • 15.1X49 versions prior to 15.1X49-D240 ;
  • 15.1X53 versions prior to 15.1X53-D593;
  • 16.1 versions prior to 16.1R7-S8;
  • 17.2 versions prior to 17.2R3-S4;
  • 17.3 versions prior to 17.3R3-S8;
  • 17.4 versions prior to 17.4R2-S11, 17.4R3-S2;
  • 18.1 versions prior to 18.1R3-S10 ;
  • 18.2 versions prior to 18.2R2-S7, 18.2R3-S3;
  • 18.3 versions prior to 18.3R2-S4, 18.3R3-S2;
  • 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2;
  • 19.1 versions prior to 19.1R1-S5, 19.1R2-S2, 19.1R3;
  • 19.2 versions prior to 19.2R1-S5, 19.2R2;
  • 19.3 versions prior to 19.3R2-S3, 19.3R3;
  • 19.4 versions prior to 19.4R1-S2, 19.4R2.
• Contrail Insights
• Juniper Networks Junos OS on QFX Series
  • all versions prior to 17.3R3-S10;
  • 17.4 versions prior to 17.4R2-S12, 17.4R3-S3;
  • 18.1 versions prior to 18.1R3-S11;
  • 18.2 versions prior to 18.2R3-S6;
  • 18.3 versions prior to 18.3R3-S4;
  • 18.4 versions prior to 18.4R2-S5, 18.4R3-S5;
  • 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3;
  • 19.2 versions prior to 19.2R1-S5, 19.2R3-S1;
  • 19.3 versions prior to 19.3R2-S5, 19.3R3;
  • 19.4 versions prior to 19.4R2-S2, 19.4R3;
  • 20.1 versions prior to 20.1R2;
  • 20.2 versions prior to 20.2R1-S2, 20.2R2.
  • 17.4R3 versions prior to 17.4R3-S3;
  • 18.1R3 versions between 18.1R3-S6 and 18.1R3-S11;
  • 18.2R3 versions prior to 18.2R3-S6;
  • 18.3R3 versions prior to 18.3R3-S4;
  • 18.4R2 versions prior to 18.4R2-S5;
  • 18.4R3 versions prior to 18.4R3-S6;
  • 19.1 versions between 19.1R2 and 19.1R3-S3;
  • 19.2 versions prior to 19.2R3-S1;
  • 19.3 versions prior to 19.3R2-S5, 19.3R3;
  • 19.4 versions prior to 19.4R2-S2, 19.4R3;
  • 20.1 versions prior to 20.1R2;
  • 20.2 versions prior to 20.2R1-S2, 20.2R2.
• Junos Space

Threats:

Attacker could exploit these vulnerabilities by doing the following:

• Escalation of privilege
• Execute arbitrary code
• Sensitive information disclosure
• Denial of service attack (DoS)

Best practice and Recommendations:

The CERT team encourages users to review Juniper security advisory and apply the necessary updates:

• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11114&cat=SIRT_1&actp=LIST
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11113&cat=SIRT_1&actp=LIST
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11111&cat=SIRT_1&actp=LIST
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11110&cat=SIRT_1&actp=LIST
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11109&cat=SIRT_1&actp=LIST
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11108&cat=SIRT_1&actp=LIST
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11107&cat=SIRT_1&actp=LIST
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11105&cat=SIRT_1&actp=LIST