QID 730222

Date Published: 2021-10-13

QID 730222: SonicWall Secure Mobile Access 100 series Pre-Authentication Stack Buffer Overflow Vulnerability (SNWLID-2019-0017)

SonicWall Secure Mobile Access (SMA) is a unified secure access gateway.

Stack-based buffer overflow in SonicWall SMA100 allows an unauthenticated user to execute arbitrary code in function libSys.so.

Affected version:
SonicWall SMA100 9.0.0.3 and earlier.

QID Detection Logic (Unauthenticated):
This QID detects the vulnerable firmware version from Web interface.

Successful exploitation of the vulnerability may allow complete system compromise

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
  • Solution
    Customers are advised to update to SonicWall SMA100 9.0.0.4 or later. For more details, please refer to SNWLID-2019-0017
    Vendor References

    CVEs related to QID 730222

    Software Advisories
    Advisory ID Software Component Link
    SNWLID-2019-0017 URL Logo psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0017