CVE-2019-0062

Junos OS: Session fixation vulnerability in J-Web

Description

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.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 12.3R12-S15*, 12.3X48-D85, 14.1X53-D51, 15.1F6-S13, 15.1R7-S5, 15.1X49-D180, 15.1X53-D238, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10, 17.1R3-S1, 17.2R2-S8, 17.2R3-S3, 17.3R3-S5, 17.4R2-S8, 17.4R3*, 18.1R3-S8*, 18.2R3, 18.3R3, 18.4R2, 19.1R1-S2, 19.1R2, 19.2R1, and all subsequent releases. *pending publication

Workaround:

  • 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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.36%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA10961 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-0062?
CVE-2019-0062 has been scored as a high severity vulnerability.
How to fix CVE-2019-0062?
To fix CVE-2019-0062: The following software releases have been updated to resolve this specific issue: 12.3R12-S15*, 12.3X48-D85, 14.1X53-D51, 15.1F6-S13, 15.1R7-S5, 15.1X49-D180, 15.1X53-D238, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10, 17.1R3-S1, 17.2R2-S8, 17.2R3-S3, 17.3R3-S5, 17.4R2-S8, 17.4R3*, 18.1R3-S8*, 18.2R3, 18.3R3, 18.4R2, 19.1R1-S2, 19.1R2, 19.2R1, and all subsequent releases. *pending publication
Is CVE-2019-0062 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-0062 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-0062?
CVE-2019-0062 affects Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS.
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