CVE-2023-40181CWE-125CWE-191

Integer-Underflow leading to Out-Of-Bound Read in FreeRDP

Medium · published August 31, 2023

CVSS v3.1
5.3
EPSS
2%
Percentile
76.9
In the wild
Unconfirmed
What it is

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Integer-Underflow leading to Out-Of-Bound Read in the `zgfx_decompress_segment` function. In the context of `CopyMemory`, it's possible to read data beyond the transmitted packet range and likely cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.01694 · 76.9th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2023-08-31T21:06Z
EPSS history
Timeline
  • 31 AUG 21:06Z
    Integer-Underflow leading to Out-Of-Bound Read in FreeRDP
    cvelistv5