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CVE-2023-24826

Date: May 30, 2023

RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send crafted frames to the device to trigger the usage of an uninitialized object leading to denial of service. This issue is fixed in version 2023.04. As a workaround, disable fragment forwarding or SFR.

Language: C

Severity Score

Related Resources (6)

https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xfj4-9g7w-f4gh
https://github.com/RIOT-OS/RIOT/commit/287f030af20e829469cdf740606148018a5a220d
https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L420
https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L402
https://nvd.nist.gov/vuln/detail/CVE-2023-24826
https://www.mend.io/vulnerability-database/CVE-2023-24826

Severity Score

Weakness Type (CWE)

Access of Uninitialized Pointer

CWE-824

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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