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Advisories

FreeRDP before 3.32.2 Denial of Service via RDPGFX ALPHA WIRETOSURFACE_2

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Severity
medium
Date
Affecting

  • FreeRDP >= 0, < 3.32.2

CWE
  • CWE-369 Divide By Zero
CVSS
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Credit
Kushalkhemka, mayank-jangid-moon, opensec-intelligence
Description
FreeRDP before 3.32.2 contains a denial of service vulnerability in the RDPGFX ALPHA WIRETOSURFACE_2 handler that fails to validate zero surface dimensions. A malicious RDP server can send a crafted WIRETOSURFACE_2 PDU with zero width and height, triggering an assertion or division by zero that terminates the client session.

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