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Vulnerability · Published Aug 31, 2023 · Assigned by GitHub_M

CVE-2023-40567Out-Of-Bounds Write in FreeRDP

Medium 6.5

In plain English

A medium-severity out-of-bounds write in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.5%top 25.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9freerdp2:2.11.2-1.el9ALSA-2024:2208
AlmaLinux:9freerdp-devel2:2.11.2-1.el9ALSA-2024:2208
AlmaLinux:9freerdp-libs2:2.11.2-1.el9ALSA-2024:2208
AlmaLinux:9libwinpr2:2.11.2-1.el9ALSA-2024:2208
AlmaLinux:9libwinpr-devel2:2.11.2-1.el9ALSA-2024:2208
Debian:12freerdp22.11.7+dfsg1-6~deb12u1DEBIAN-CVE-2023-40567
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.4USN-6401-1
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.4UBUNTU-CVE-2023-40567

Affected products (as reported)

VendorProductVersions
FreeRDP FreeRDP < 2.11.0>= 3.0.0-beta1, < 3.0.0-beta3

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References