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2015-04 Security Bulletin: Junos: Multiple privilege escalation vulnerabilities in Junos CLI (CVE-2015-3003)

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Article ID: JSA10674 SECURITY_ADVISORIES Last Updated: 22 Jul 2015Version: 4.0
Product Affected:
These issues can affect any product or platform running Junos OS.
Problem:
Certain combinations of Junos OS CLI commands and arguments have been found to be exploitable in a way that can allow root access to the operating system. This may allow any user with permissions to run these CLI commands the ability to achieve elevated privileges and gain complete control of the device.

These issues were found during internal product security testing.

Juniper SIRT is not aware of any malicious exploitation of these vulnerabilities.

No other Juniper Networks products or platforms are affected by these issues.

This set of issues has been assigned CVE-2015-3003.
Solution:
The following software releases have been updated to resolve these specific issues: Junos OS 12.1X44-D45, 12.1X46-D30, 12.1X47-D20, 12.3R9, 12.3X48-D10, 13.2R6, 13.3R5, 14.1R3, 14.2R1 and all subsequent releases.

These issues are being tracked as PRs 1007391 and 961823, and are 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 access lists or firewall filters to limit access to the router's CLI only from trusted hosts. Restrict access to the CLI to only highly trusted administrators.
Implementation:

How to obtain fixed software: 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:
Modification History:

2015-04-08: Initial release
2015-07-22: Corrected list of included PRs

CVSS Score:
6.9 (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Severity Level:
Medium
Severity Assessment:
Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories."
Acknowledgements:

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