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Advisories

FreeRDP 2.3.0 before 3.32.0 Infinite Loop via RD Gateway Chunked Response

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severity
high
date
Affecting

  • FreeRDP >= 2.3.0, < 3.32.0

CWE
  • CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Kushalkhemka, opensec-intelligence, mayank-jangid-moon, skigeek16
Description
FreeRDP from 2.3.0 before 3.32.0 contains an infinite loop vulnerability in http_chuncked_read that allows malicious RD Gateways to hang clients by sending incomplete chunked responses. Attackers can send a partial chunk-size line or footer followed by a clean TLS shutdown, causing zero-byte reads to loop forever and freeze the client decoder thread.

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