CVE-2023-39356 — Out-of-bounds Read in Freerdp
Severity
9.1CRITICALNVD
OSV4.6
EPSS
0.2%
top 60.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 31
Latest updateDec 7
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 iss…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitability: 3.9 | Impact: 5.2
Affected Packages3 packages
Also affects: Debian Linux 10.0, Fedora 37, 38, 39