| Name | CVE-2023-40589 |
| Description | FreeRDP 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3606-1, DLA-4053-1 |
| Debian Bugs | 1051638 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| freerdp2 (PTS) | bullseye | 2.3.0+dfsg1-2+deb11u1 | vulnerable |
| bullseye (security) | 2.3.0+dfsg1-2+deb11u3 | fixed |
| bookworm | 2.10.0+dfsg1-1 | vulnerable |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - 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)