#VU88849 Out-of-bounds read in FreeRDP - CVE-2024-32459

Vulnerability identifier: #VU88849

Vulnerability risk: Medium

CVSSv4.0: 7.7 [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/E:P/U:Green]

CVE-ID: CVE-2024-32459

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
FreeRDP
Universal components / Libraries / Libraries used by multiple products

Vendor: FreeRDP

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.11.0 - 3.4.0

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External links
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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.