CVE-2024-11616: Buffer Overflow in Netskope Endpoint DLP (Cross platform)

Critical Memory Corruption Vulnerability Affecting Data Loss Prevention Solutions

⚠️ Advisory Summary

Vendor: Netskope

Component: Endpoint DLP Agent

Vulnerability Type: Stack-Based Buffer Overflow (CWE-121)

CVSSv3 Score: 8.8 (High) [AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H]

Attack Vector: Local or network-adjacent exploitation

📜 Affected Versions

Netskope Endpoint DLP Windows Agent < v.X.X.X [awaiting vendor confirmation]

Netskope Endpoint DLP macOS Agent < v.X.X.X

💥 Impact

Successful exploitation could allow:
✓ Arbitrary code execution at SYSTEM/root privileges
✓ Bypass of DLP enforcement mechanisms
✓ Memory corruption leading to endpoint compromise

🛡️ Mitigation Steps

Immediate Action:

Upgrade to Netskope Endpoint DLP Agent v[patched version]

Restrict local admin privileges where possible

Detection Indicators:

Download

# Check running agent version Get-WmiObject Win32_Product | Where-Object {$_.Name -like "*Netskope*DLP*"}

Compensating Controls:

Enable DEP/ASLR system-wide

Audit unusual child processes of nsdlpagent.exe

📌 Vendor Response

Netskope has released patches in version [X.X.X]. Contact Netskope Support for upgrade paths.

🔍 Technical References

MITRE CVE Entry

NVD Analysis

Proof-of-concept details are intentionally omitted per responsible disclosure principles.

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