Vulnerability Details CVE-2023-40574
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `writePixelBGRX` function. This issue is likely down to incorrect calculations of the `nHeight` and `srcStep` variables. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.9%
CVSS Severity
CVSS v3 Score 6.5
References
- https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/primitives/prim_YUV.c#L414-L445
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-422p-gj6x-93cw
- https://security.gentoo.org/glsa/202401-16
- https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/primitives/prim_YUV.c#L414-L445
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-422p-gj6x-93cw
- https://security.gentoo.org/glsa/202401-16