Cryoserver Security Appliance vulnerable to privilege escalation

Overview

Cryoserver Security Appliance 7.3.x vulnerable to privilege escalation

Description

CWE-264: Permissions, Privileges, and Access Controls

Cryoserver Security Appliance 7.3.x does not properly assign permission to the /etc/init.d/cryoserver shell script and allows the default support account to modify it using the ``/bin/cryo-mgmt script.

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Impact

An authenticated attacker may be able to gain root access to the appliance.

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Solution

The CERT/CC is currently unaware of a practical solution to this problem.

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Vendor Information

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Cryoserver Unknown

Notified: August 18, 2014 Updated: August 18, 2014

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

CVSS Metrics

Group	Score	Vector
Base	7.7	AV:A/AC:L/Au:S/C:C/I:C/A:C
Temporal	6.6	E:POC/RL:U/RC:UR
Environmental	4.9	CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

• <http://www.cryoserver.com/appliance/&gt;
• <http://cwe.mitre.org/data/definitions/264.html&gt;

Acknowledgements

Thanks to Chris Hernandez for reporting this vulnerability.

This document was written by Chris King.

Other Information

CVE IDs:	CVE-2014-4867
Date Public:	2014-10-07 Date First Published: