RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In version 2023.01 and prior, an attacker can send a crafted frame to the device resulting in an out of bounds write in the packet buffer. The overflow can be used to corrupt other packets and the allocator metadata. Corrupting a pointer will easily lead to denial of service. While carefully manipulating the allocator metadata gives an attacker the possibility to write data to arbitrary locations and thus execute arbitrary code. This issue is fixed in pull request 19680. As a workaround, disable support for fragmented IP datagrams.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2023-05-30T17:08:41.903Z

Updated: 2024-08-02T15:54:14.106Z

Reserved: 2023-05-24T13:46:35.955Z

Link: CVE-2023-33975

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-05-30T18:15:10.433

Modified: 2024-11-21T08:06:19.843

Link: CVE-2023-33975

cve-icon Redhat

No data.