#VU75584 Out-of-bounds write in RIOT-OS - CVE-2023-24819

Vulnerability identifier: #VU75584

Vulnerability risk: High

CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-24819

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RIOT-OS
Operating systems & Components / Operating system

Vendor: RIOT-OS

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error during IPHC receive. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

RIOT-OS: 2013.08 - 2022.07

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External links
http://github.com/RIOT-OS/RIOT/pull/18820/commits/da63e45ee94c03a2e08625b04ea618653eab4a9f
http://github.com/RIOT-OS/RIOT/pull/18817/commits/73615161c01fcfbbc7216cf502cabb12c1598ee4
http://github.com/RIOT-OS/RIOT/security/advisories/GHSA-fv97-2448-gcf6

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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.