Out-of-bounds read in FreeRDP - CVE-2024-32662

Vulnerability identifier: #VU88948

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-32662

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in rdp_redirection_read_base64_wchar. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

FreeRDP
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Ubuntu
Fedora
freerdp (Red Hat package)
freerdp
freerdp2
libfreerdp3-3 (Ubuntu package)

Install updates from vendor's website.

FreeRDP - update to 3.5.1
freerdp (Red Hat package) - update to 2.11.7-1.el9
freerdp - addressed in versions 2.11.7-1.fc38, 2.11.7-1.fc39
freerdp2 - update to 2.11.7-1.fc40
libfreerdp3-3 (Ubuntu package) - update to 3.5.1+dfsg1-0ubuntu1

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vffh-j6hh-95f4
• https://github.com/FreeRDP/FreeRDP/commit/626d10a94a88565d957ddc30768ed08b320049a7
• https://oss-fuzz.com/testcase-detail/4985227207311360

• Multiple vulnerabilities in FreeRDP
• Fedora 39 update for freerdp
• Fedora 38 update for freerdp
• Fedora 40 update for freerdp2
• Ubuntu update for freerdp3
• Red Hat Enterprise Linux 9 update for freerdp