SB2017073106 - Remote code execution in Citrix NetScaler SD-WAN
Published: July 31, 2017
Security Bulletin ID
SB2017073106
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Remote code execution (CVE-ID: CVE-2017-6316)
CWE-ID: CWE-120 - Buffer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
The vulnerability allows a remote authenticated user to execute arbitrary code on the target system.
The weakness exists in the management interface of Citrix NetScaler SD-WAN Enterprise and Standard Edition and Citrix CloudBridge Virtual WAN Edition due to insufficient sanitization of user-supplied input. A remote attacker can use CGISESSID cookies to execute arbitrary code with root privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.