Out-of-bounds read in FreeRDP - CVE-2024-32459

Vulnerability identifier: #VU88849

CSH Severity: Medium

CVSS v4.0: 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/E:P/U:Green

CVE-ID: CVE-2024-32459

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Affected software:
FreeRDP
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Micro
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
SUSE Linux Enterprise Workstation Extension 12
Slackware Linux
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Package Hub 15
openSUSE Leap
openEuler
Ubuntu
Fedora
libfreerdp2-2t64 (Ubuntu package)
libfreerdp-server2-2t64 (Ubuntu package)
libfreerdp-client2-2t64 (Ubuntu package)
freerdp-proxy
freerdp-server
freerdp
freerdp-debugsource
libfreerdp2
freerdp-devel
libwinpr2-debuginfo
winpr2-devel
libwinpr2
freerdp-debuginfo
libfreerdp2-debuginfo
freerdp-wayland
libuwac0-0
freerdp-server-debuginfo
libuwac0-0-debuginfo
freerdp-wayland-debuginfo
freerdp-proxy-debuginfo
uwac0-0-devel
libfreerdp2-2 (Ubuntu package)
libwinpr-devel
freerdp-help
libwinpr
freerdp (Red Hat package)
freerdp2

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

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

Install updates from vendor's website.

• https://github.com/FreeRDP/FreeRDP/releases/tag/2.11.6
• https://github.com/FreeRDP/FreeRDP/releases/tag/3.5.0
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-cp4q-p737-rmw9