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Ubuntu: (Multiple Advisories) (CVE-2023-39356): FreeRDP vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-39356): FreeRDP vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/31/2023
Created
12/01/2023
Added
11/30/2023
Modified
12/08/2023

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)

  • ubuntu-upgrade-libfreerdp2-2

References

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