CVE-2018-0059

ScreenOS: Stored Cross-Site Scripting (XSS) vulnerability

Description

A persistent cross-site scripting vulnerability in the graphical user interface of ScreenOS may allow a remote authenticated user to inject web script or HTML and steal sensitive data and credentials from a web administration session, possibly tricking a follow-on administrative user to perform administrative actions on the device. Affected releases are Juniper Networks ScreenOS 6.3.0 versions prior to 6.3.0r26.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: ScreenOS 6.3.0r26 and all subsequent releases. Review and clear any previously stored cross-site scripting entries.

Workaround:

  • Use access lists or firewall filters to limit access to the device only from trusted hosts and administrators. In addition to the recommendations listed above, it is good security practice to limit the exploitable attack surface of critical infrastructure networking equipment. Use access lists or firewall filters to limit access to the device only from trusted, administrative networks or hosts.
  • Disable the web administrative interface if it is not necessary.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.13%
Vendor Advisory juniper.net
Affected: Juniper Networks ScreenOS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA10894 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-0059?
CVE-2018-0059 has been scored as a medium severity vulnerability.
How to fix CVE-2018-0059?
To fix CVE-2018-0059: The following software releases have been updated to resolve this specific issue: ScreenOS 6.3.0r26 and all subsequent releases. Review and clear any previously stored cross-site scripting entries.
Is CVE-2018-0059 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0059 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-2018-0059?
CVE-2018-0059 affects Juniper Networks ScreenOS.
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