CVE-2023-40574

NameCVE-2023-40574
DescriptionFreeRDP 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
freerdp2 (PTS)buster2.0.0~git20190204.1.2693389a+dfsg1-1+deb10u2fixed
buster (security)2.3.0+dfsg1-2+deb10u4fixed
bullseye2.3.0+dfsg1-2+deb11u1fixed
bookworm2.10.0+dfsg1-1fixed
trixie2.11.2+dfsg1-1fixed
sid2.11.5+dfsg1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
freerdp2source(unstable)(not affected)

Notes

- freerdp2 <not-affected> (Vulnerable code not present)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-422p-gj6x-93cw

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