Contiki-NG is an operating system for internet of things devices. In version 4.8 and prior, when processing ICMP DAO packets in the `dao_input_storing` function, the Contiki-NG OS does not verify that the packet buffer is big enough to contain the bytes it needs before accessing them. Up to 16 bytes can be read out of bounds in the `dao_input_storing` function. An attacker can truncate an ICMP packet so that it does not contain enough data, leading to an out-of-bounds read on these lines. The problem has been patched in the "develop" branch of Contiki-NG, and is expected to be included in release 4.9. As a workaround, one can apply the changes in Contiki-NG pull request #2435 to patch the system.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2023-06-14T14:50:21.267Z

Updated: 2024-08-02T16:01:54.168Z

Reserved: 2023-05-25T21:56:51.245Z

Link: CVE-2023-34101

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2023-06-14T15:15:10.073

Modified: 2023-06-23T18:18:09.143

Link: CVE-2023-34101

cve-icon Redhat

No data.