Overview
The Accellion File Transfer Appliance (FTA) contains multiple vulnerabilites that can allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.
Description
| The Accellion File Transfer appliance contains multiple vulnerabilities in versions below FTA_9_12_40. CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') - CVE-2016-2350 
 CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') - CVE-2016-2351 The Accellion File Transfer Appliance contains a SQL injection vulnerability due to improper escaping of the parameter 𠆌lient_id’ in `/home/seos/courier/security_key2.api, allowing an attacker to inject arbitrary code in 𠆌lient_id,” and recover private data. CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')- CVE-2016-2352 The Accellion File Transfer Appliance is vulnerable to command injection due to unsafe handling of restricted users utilizing the YUM_CLIENT. This allows a restricted user to execute any command via root permission. CWE-276: Incorrect Default Permissions - CVE-2016-2353 The Accellion File Transfer Appliance is vulnerable to local privilege escalation due to a misconfiguration. By default, the appliance allows a restricted user to add their SSH key to an alternate user group with additional permissions. | 
Impact
| A remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system and view sensitive data | 
Solution
| Apply an update | 
Vendor Information
CVSS Metrics
| Group | Score | Vector | 
|---|---|---|
| Base | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P | 
| Temporal | 5.9 | E:POC/RL:OF/RC:ND | 
| Environmental | 4.4 | CDP:ND/TD:M/CR:ND/IR:ND/AR:ND | 
References
Acknowledgements
Thanks to Orange Tsai for reporting these vulnerabilities
This document was written by Deana Shick.
Other Information
| CVE IDs: | CVE-2016-2350, CVE-2016-2351, CVE-2016-2352, CVE-2016-2353 | 
| Date Public: | 2016-04-21 | 
| Date First Published: | 2016-04-29 | 
| Date Last Updated: | 2016-04-29 19:44 UTC | 
| Document Revision: | 21 |