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Amazon Linux AMI 2: CVE-2023-39356: Security patch for freerdp (ALAS-2023-2269)

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Amazon Linux AMI 2: CVE-2023-39356: Security patch for freerdp (ALAS-2023-2269)

Severity
9
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:C)
Published
08/31/2023
Created
10/06/2023
Added
10/06/2023
Modified
01/28/2025

Description

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a missing offset validation may lead to an Out Of Bound Read in the function `gdi_multi_opaque_rect`. In particular there is no code to validate if the value `multi_opaque_rect->numRectangles` is less than 45. Looping through `multi_opaque_rect->`numRectangles without proper boundary checks can lead to Out-of-Bounds Read errors which will likely lead to 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 vulnerability.

Solution(s)

  • amazon-linux-ami-2-upgrade-freerdp
  • amazon-linux-ami-2-upgrade-freerdp-debuginfo
  • amazon-linux-ami-2-upgrade-freerdp-devel
  • amazon-linux-ami-2-upgrade-freerdp-libs
  • amazon-linux-ami-2-upgrade-libwinpr
  • amazon-linux-ami-2-upgrade-libwinpr-devel

References

  • https://attackerkb.com/topics/cve-2023-39356
  • AL2/ALAS-2023-2269
  • CVE - 2023-39356
  • 查看数 729
  • 已创建
  • 最后回复

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