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Advisories

FreeRDP before 3.32.0 Unbounded Memory Retention via RDPDR Proxy

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Severity
high
Date
Affecting

  • FreeRDP >= 3.0.0-beta1, < 3.32.0

CWE
  • CWE-400 Uncontrolled Resource Consumption
CVSS
8.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Kushalkhemka, mayank-jangid-moon, skigeek16, opensec-intelligence
Description
FreeRDP from 3.0.0-beta1 before 3.32.0 fails to enforce cumulative or absolute size limits when reassembling RDPDR channel fragments in the proxy. Attackers can send a FIRST fragment followed by continuation fragments without LAST, growing per-session heap streams proportional to traffic and exhausting proxy memory.

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