CVE-2023-39352
MediumCVSS 5.3Exploitation Probability (EPSS)
Elevated risk67th percentile - higher than 67% of all known CVEs
Summary
FreeRDP, a free implementation of the RDP protocol, has an issue with offset validation leading to Out Of Bound Write. This can be triggered when `rect->left` and `rect->top` are equal to `surface->width` and `surface->height`, which should cause a crash in practice.
Risk Assessment
Exploitation of this vulnerability may lead to application crashes, affecting the availability of remote desktop services within the organization.
Recommendation
It is recommended to upgrade to versions 2.11.0 or 3.0.0-beta3 to mitigate this vulnerability. There are no known workarounds for this issue.
Original NVD description (English source)
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an invalid offset validation leading to Out Of Bound Write. This can be triggered when the values `rect->left` and `rect->top` are exactly equal to `surface->width` and `surface->height`. eg. `rect->left` == `surface->width` && `rect->top` == `surface->height`. In practice this should 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 vulnerability.