CVE-2019-0062

Summary

A session fixation vulnerability in J-Web on Junos OS may allow an attacker to use social engineering techniques to fix and hijack a J-Web administrators web session and potentially gain administrative access to the device. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S15 on EX Series; 12.3X48 versions prior to 12.3X48-D85 on SRX Series; 14.1X53 versions prior to 14.1X53-D51; 15.1 versions prior to 15.1F6-S13, 15.1R7-S5; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238; 16.1 versions prior to 16.1R4-S13, 16.1R7-S5; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R3-S1; 17.2 versions prior to 17.2R2-S8, 17.2R3-S3; 17.3 versions prior to 17.3R3-S5; 17.4 versions prior to 17.4R2-S8, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S2, 19.1R2.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS12.3 < 12.3R12-S15affected
Juniper NetworksJunos OS12.3X48 < 12.3X48-D85affected
Juniper NetworksJunos OS15.1X49 < 15.1X49-D180affected
Juniper NetworksJunos OS14.1X53 < 14.1X53-D51affected
Juniper NetworksJunos OS15.1 < 15.1F6-S13, 15.1R7-S5affected
Juniper NetworksJunos OS15.1X53 < 15.1X53-D238affected
Juniper NetworksJunos OS16.1 < 16.1R4-S13, 16.1R7-S5affected
Juniper NetworksJunos OS16.2 < 16.2R2-S10affected
Juniper NetworksJunos OS17.1 < 17.1R3-S1affected
Juniper NetworksJunos OS17.2 < 17.2R2-S8, 17.2R3-S3affected
Juniper NetworksJunos OS17.3 < 17.3R3-S5affected
Juniper NetworksJunos OS17.4 < 17.4R2-S8, 17.4R3affected
Juniper NetworksJunos OS18.1 < 18.1R3-S8affected
Juniper NetworksJunos OS18.2 < 18.2R3affected
Juniper NetworksJunos OS18.3 < 18.3R3affected
Juniper NetworksJunos OS18.4 < 18.4R2affected
Juniper NetworksJunos OS19.1 < 19.1R1-S2, 19.1R2affected

Weaknesses

  • CWE-384: CWE-384 Session Fixation

Workarounds

Use access control lists or firewall filters to limit access to Junos J-Web interface to only trusted users and networks to reduce risks of exploitation of this vulnerability.

Using common BCPs of safe web browsing such as not clicking on links in email or other media would reduce risks of exploitation of this vulnerability.

Disabling J-Web would completely prevent any exploitation of this issue.

ADP Enrichment

CVE Program Container

Additional References

References