CVE-2023-30546: Contiki-NG has off-by-one error in Antelope DBMS

First published: Wed Apr 26 2023(Updated: )

Contiki-NG is an operating system for Internet of Things devices. An off-by-one error can be triggered in the Antelope database management system in the Contiki-NG operating system in versions 4.8 and prior. The problem exists in the Contiki File System (CFS) backend for the storage of data (file os/storage/antelope/storage-cfs.c). In the functions `storage_get_index` and `storage_put_index`, a buffer for merging two strings is allocated with one byte less than the maximum size of the merged strings, causing subsequent function calls to the cfs_open function to read from memory beyond the buffer size. The vulnerability has been patched in the "develop" branch of Contiki-NG, and is expected to be included in the next release. As a workaround, the problem can be fixed by applying the patch in Contiki-NG pull request #2425.

Credit: security-advisories@github.com

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• collector/nvd-index
• agent/references
• agent/weakness
• agent/type
• agent/softwarecombine
• collector/mitre-cve
• source/MITRE
• agent/author
• agent/remedy
• agent/last-modified-date
• agent/title
• agent/severity
• agent/first-publish-date
• agent/event
• agent/tags
• agent/description
• vendor/contiki-ng
• canonical/contiki-ng contiki-ng
• version/contiki-ng contiki-ng/4.8