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Advisories

FreeRDP 3.0.0 before 3.32.0 Heap Out-of-Bounds Read via RD Gateway Messages

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severity
medium
date
Affecting

  • FreeRDP >= 3.0.0, < 3.32.0

CWE
  • CWE-125 Out-of-bounds Read
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, opensec-intelligence, mayank-jangid-moon, skigeek16
Description
FreeRDP from 3.0.0 before 3.32.0 contains a heap out-of-bounds read vulnerability that allows a malicious RD Gateway to crash clients by sending mismatched message lengths. Attackers controlling the gateway can set MsgBytes far larger than the NDR string ActualCount in consent or service messages, causing UTF-8 conversion to read past the stream allocation and disrupt client availability.

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