CVE-2018-0062

Junos OS: Denial of Service in J-Web

Description

A Denial of Service vulnerability in J-Web service may allow a remote unauthenticated user to cause Denial of Service which may prevent other users to authenticate or to perform J-Web operations. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D77 on SRX Series; 12.3 versions prior to 12.3R12-S10; 12.3X48 versions prior to 12.3X48-D60 on SRX Series; 15.1 versions prior to 15.1R7; 15.1F6; 15.1X49 versions prior to 15.1X49-D120 on SRX Series; 15.1X53 versions prior to 15.1X53-D59 on EX2300/EX3400 Series; 15.1X53 versions prior to 15.1X53-D67 on QFX10K Series; 15.1X53 versions prior to 15.1X53-D234 on QFX5200/QFX5110 Series; 15.1X53 versions prior to 15.1X53-D470, 15.1X53-D495 on NFX Series; 16.1 versions prior to 16.1R6; 16.2 versions prior to 16.2R2-S6, 16.2R3; 17.1 versions prior to 17.1R2-S6, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R2. No other Juniper Networks products or platforms are affected by this issue.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 12.1X46-D77, 12.3R12-S10,12.3X48-D60, 15.1R7, 15.1X49-D120, 15.1X53-D234, 15.1X53-D470, 15.1X53-D495, 15.1X53-D59, 15.1X53-D67, 16.1R6, 16.2R2-S6, 16.2R3, 17.1R2-S6, 17.1R3, 17.2R3, 17.3R2, 17.4R1 and all subsequent releases.

Workaround:

  • Limit access to J-Web from only trusted hosts, networks and administrators.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.49%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1041860 vdb entry third party advisory
https://kb.juniper.net/JSA10897 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-0062?
CVE-2018-0062 has been scored as a medium severity vulnerability.
How to fix CVE-2018-0062?
To fix CVE-2018-0062: The following software releases have been updated to resolve this specific issue: 12.1X46-D77, 12.3R12-S10,12.3X48-D60, 15.1R7, 15.1X49-D120, 15.1X53-D234, 15.1X53-D470, 15.1X53-D495, 15.1X53-D59, 15.1X53-D67, 16.1R6, 16.2R2-S6, 16.2R3, 17.1R2-S6, 17.1R3, 17.2R3, 17.3R2, 17.4R1 and all subsequent releases.
Is CVE-2018-0062 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0062 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-2018-0062?
CVE-2018-0062 affects Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS.
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