Buffer overflow in Freerdp
CVE-2023-40574
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.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (60.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Freerdp — versions 3.0.0, >= 3.0.0-beta1, < 3.0.0-beta3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com
Frequently asked questions
- What is CVE-2023-40574?
- CVE-2023-40574 is a medium-severity vulnerability in Freerdp, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2023-08-31.
- How severe is CVE-2023-40574?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-40574 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.