CVE-2023-40589

NameCVE-2023-40589
DescriptionFreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to 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 issue.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3606-1
Debian Bugs1051638

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
freerdp2 (PTS)bullseye2.3.0+dfsg1-2+deb11u1vulnerable
bookworm2.10.0+dfsg1-1vulnerable
trixie2.11.5+dfsg1-1fixed
sid2.11.7+dfsg1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
freerdp2sourcebuster2.3.0+dfsg1-2+deb10u3DLA-3606-1
freerdp2source(unstable)2.11.2+dfsg1-11051638

Notes

[bookworm] - freerdp2 <no-dsa> (Minor issue)
[bullseye] - freerdp2 <no-dsa> (Minor issue)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gc34-mw6m-g42x
https://github.com/FreeRDP/FreeRDP/commit/16141a30f983dd6f7a6e5b0356084171942c9416 (3.0.0-beta3)
https://github.com/FreeRDP/FreeRDP/commit/c659973bb4cd65c065f2fe1a807dbc6805c684c6 (2.11.0)

Search for package or bug name: Reporting problems