Vulnerabilities > CVE-2023-24826 - Access of Uninitialized Pointer vulnerability in Riot-Os Riot
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- 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/security/advisories/GHSA-xfj4-9g7w-f4gh
- https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L402