Analysis of CVE-2023-3519 in Citrix ADC and NetScaler Gateway (Part 2)
In our last post we uncovered a vulnerability inside Citrix ADC and NetScaler Gateway that was in the patch fix for CVE-2023-3519. It seems that this vulnerability, while also critical, is not the one that is being exploited in the wild by threat actors. We continued our analysis and discovered an endpoint which allowed for remote code execution without the need of any special configurations such as SAML being enabled. This vulnerability matches more closely with the description of the CVE, Citr
🎯 Vulnerability: Remote Code Execution (RCE)
💡 Defense Fix: Avoid executing shell commands via system(). Use parameterized APIs and strict input sanitization.