CVE-2023-40567

6.5 MEDIUM
Published: August 31, 2023 Modified: November 03, 2025
View on NVD

Description

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 `clear_decompress_bands_data` function in which there is no offset validation. Abuse of this vulnerability may lead to an out of bounds write. 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L612-L618
Source: security-advisories@github.com
Issue Tracking
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L843-L845
Source: security-advisories@github.com
Issue Tracking
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2w9f-8wg4-8jfp
Source: security-advisories@github.com
Exploit Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
Source: security-advisories@github.com
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/
Source: security-advisories@github.com
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/
Source: security-advisories@github.com
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/
Source: security-advisories@github.com
Mailing List
https://security.gentoo.org/glsa/202401-16
Source: security-advisories@github.com
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L612-L618
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L843-L845
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2w9f-8wg4-8jfp
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
https://security.gentoo.org/glsa/202401-16
Source: af854a3a-2127-422b-91ae-364da2661108

17 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
0.2%
48th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-787

Affected Vendors

debian fedoraproject freerdp

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