CVE-2023-40574

Out-Of-Bounds Write in FreeRDP

CVSS 6.5 MEDIUMEPSS 1.0%CWE-787

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

31 Aug 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected products

FreeRDP · FreeRDP

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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