CVE-2023-40181

CVSS 3.1 Score 9.1 of 10 (high)

Details

Published Aug 31, 2023
Updated: Jan 12, 2024
CWE ID 125
CWE ID 191

Summary

CVE-2023-40181 is a vulnerability impacting FreeRDP, an open-source implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions suffer from an Integer-Underflow issue in the `zgfx_decompress_segment` function. This flaw can result in an Out-Of-Bound Read scenario in the `CopyMemory` context, allowing the reading of data beyond the transmitted packet range. This vulnerability can lead to a crash and has been addressed in versions 2.11.0 and 3.0.0-beta3. It's crucial for users to upgrade as soon as possible, as there are no known workarounds for this issue.

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Affected Products

  • FreeRDP
  • Fedora Operating System
  • Debian

Affected Vendors

  • Debian
  • Fedora Project
  • Freerdp

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