2015-04 Security Bulletin: Junos J-Web: Clickjacking vulnerability (CVE-2015-3004)

Product Affected:This issue can affect any product or platform running Junos OS with J-Web enabled.

Problem:Junos J-Web was missing ‘X-Frame-Options’ HTTP header that may facilitate Clickjacking type of attacks against authenticated or unauthenticated pages on J-Web. An attacker can potentially trick Junos J-Web users into performing certain administrative tasks.Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
This issue has been assigned CVE-2015-3004.

Solution:J-Web now includes the appropriate ‘X-Frame-Options’ header in HTTP responses. J-Web also includes defensive code in the UI for old browsers that may not support ‘X-Frame-Options’ header.The following software releases have been updated to resolve this specific issue: 11.4R12 12.1X44-D35 12.1X46-D25 12.2R9 12.3R7 13.2R6 13.2X51-D20 13.3R5 14.1R3 14.1X53-D10 14.2R1 and all subsequent releases.This issue is being tracked as PR 969531 and is visible on the Customer Support website.KB16765 – “In which releases are vulnerabilities fixed?” describes which release vulnerabilities are fixed as per our End of Engineering and End of Life support policies.

Workaround:Use a browser exclusively for J-Web and log out after use or disable J-Web if not required.

Implementation:Security vulnerabilities in Junos are fixed in the next available Maintenance Release of each supported Junos version. In some cases, a Maintenance Release is not planned to be available in an appropriate time-frame. For these cases, Service Releases are made available in order to be more timely. Security Advisory and Security Notices will indicate which Maintenance and Service Releases contain fixes for the issues described. Upon request to JTAC, customers will be provided download instructions for a Service Release. Although Juniper does not provide formal Release Note documentation for a Service Release, a list of “PRs fixed” can be provided on request. Modification History: 2015-04-08: Initial release.

Related Links: CVSS Score:4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Risk Level:Low

Risk Assessment:Information for how Juniper Networks uses CVSS can be found at KB 16446 “Common Vulnerability Scoring System (CVSS) and Juniper’s Security Advisories.”

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