Vulnerability · Published Aug 31, 2023 · Assigned by GitHub_M

CVE-2023-40574Out-Of-Bounds Write in FreeRDP

Medium 6.5

In plain English

A medium-severity out-of-bounds write in FreeRDP from FreeRDP. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.2%top 31.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
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 `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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.3UBUNTU-CVE-2023-40574

Affected products (as reported)

VendorProductVersions
FreeRDP FreeRDP >= 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