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Summary A memory overflow vulnerability was discovered in NetScaler ADC and NetScaler Gateway when configured as Gateway or AAA virtual server. The flaw can be exploited remotely and may lead to unintended control flow, Denial of Service (DoS), or potentially arbitrary code execution, although exploit complexity is high. The vulnerability affects various virtual server configurations (VPN, ICA Proxy, CVPN, RDP Proxy).
Potential Consequences: Service disruption (DoS) Potential loss of confidentiality, integrity, and availability Possible compromise of gateway systems Exploitation Requirements: Remote access Gateway or AAA server configuration
NetScaler ADC | NetScaler Gateway
Patch available from Citrix
Disable vulnerable configurations if not in use. Restrict public access to affected services until patched.
Update to patched version immediately. Enable monitoring for abnormal behavior in VPN/Gateway traffic.
Monitor logs for memory-related exceptions or service crashes. Analyze network traffic for patterns targeting buffer sizes or malformed content.
Not specified
Not specified
No references provided
No affected organizations specified
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