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2018-02 Security Bulletin: AppFormix: Debug Shell Command Execution in AppFormix Agent (CVE-2018-0015)

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Article ID: JSA10843 SECURITY_ADVISORIES Last Updated: 23 Feb 2018Version: 4.0
Product Affected:
This issue affects all versions of AppFormix up to and including 2.7.3, AppFormix 2.11 versions prior to 2.11.3, and AppFormix 2.15 versions prior to 2.15.2.
Problem:
A malicious user with unrestricted access to the AppFormix application management platform may be able to access a Python debug console and execute system commands with root privilege.  The AppFormix Agent exposes the debug console on a host where AppFormix Agent is executing.  If the host is executing AppFormix Agent, an attacker may access the debug console and execute Python commands with root privilege.

Affected AppFormix releases are:
  • All versions up to and including 2.7.3;
  • 2.11 versions prior to 2.11.3;
  • 2.15 versions prior to 2.15.2.

Juniper SIRT is not aware of any malicious exploitation of this vulnerability, however, the issue has been seen in a production network.

No other Juniper Networks products or platforms are affected by this issue.

This issue has been assigned CVE-2018-0015.
 
Solution:
The following software releases have been updated to resolve this specific issue: AppFormix v2.11.3, v2.15.2, and all subsequent releases.

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:
Follow security best current practices (BCPs) to limit the exploitable attack surface of critical infrastructure networking equipment. Use access lists or firewall filters to limit access to well known ports on the platform, and only from trusted, administrative networks or hosts.
 
Implementation:
How to obtain fixed software:

Software release Service Packages are available at https://support.juniper.net from the "Download Software" links. 
 
Modification History:
2018-02-20: Initial publication
2018-02-23: Clarified affected AppFormix releases


CVSS Score:
9.8 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Severity Level:
Critical
Severity Assessment:
A malicious user with unrestricted access to the platform will be able to execute system commands with root access.

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