Integer overflow in Freerdp
CVE-2023-39350
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). When an insufficient blockLen is provided, and proper length validation is not performed, an Integer Underflow occurs, leading to a Denial of Service (DOS) vulnerability. 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.
EPSS: 0.014 (69.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Freerdp — versions 3.0.0, < 2.11.0, >= 3.0.0-beta1, < 3.0.0-beta3
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Mailing List)
- security-advisories@github.com (Mailing List)
- security-advisories@github.com (Mailing List)
- security-advisories@github.com (Mailing List, Third Party Advisory)
- security-advisories@github.com (Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-39350?
- CVE-2023-39350 is a medium-severity vulnerability in Freerdp, classified under Integer Underflow. CVSS score: 5.9/10. Published 2023-08-31.
- How severe is CVE-2023-39350?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2023-39350 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.