CVE-2023-39350 — Integer Underflow (Wrap or Wraparound) in Freerdp

CWE-191 — Integer Underflow (Wrap or Wraparound)7 documents6 sources
Severity
7.5HIGHNVD
CNA5.9
EPSS
0.4%
top 40.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
FreerdpDebian LinuxFedoraproject Fedora
Timeline
PublishedAug 31
Latest updateOct 4

Description

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 upg…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5freerdp/freerdp< 2.11.0+1
▶NVDfreerdp/freerdp< 2.11.0+1

Also affects: Debian Linux 10.0, Fedora 37, 38, 39

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
OSV
freerdp2 vulnerabilities↗2023-10-04
▶
OSV
CVE-2023-39350: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license↗2023-08-31
▶
CVEList
Incorrect offset calculation leading to denial of service in FreeRDP↗2023-08-31
▶

📋Vendor Advisories

3
Ubuntu
FreeRDP vulnerabilities↗2023-10-04
▶
Red Hat
freerdp: Incorrect offset calculation leading to DOS↗2023-08-31
▶
Debian
CVE-2023-39350: freerdp2 - FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released ...↗2023
▶