Vulnerability Details : CVE-2023-34101
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.
Products affected by CVE-2023-34101
- cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-34101
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-34101
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST | |
|
7.3
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
3.9
|
3.4
|
GitHub, Inc. |
CWE ids for CVE-2023-34101
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: security-advisories@github.com (Primary)
References for CVE-2023-34101
-
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-fp66-ff6x-7w2w
Out-of-bounds read when processing ICMP DAO input · Advisory · contiki-ng/contiki-ng · GitHubVendor Advisory
-
https://github.com/contiki-ng/contiki-ng/pull/2435
Add boundary checks to the DAO input function. by nvt · Pull Request #2435 · contiki-ng/contiki-ng · GitHubPatch
Jump to