CVE-2023-37459 Detail
Description
Contiki-NG is an operating system for internet-of-things devices. In versions 4.9 and prior, when a packet is received, the Contiki-NG network stack attempts to start the periodic TCP timer if it is a TCP packet with the SYN flag set. But the implementation does not first verify that a full TCP header has been received. Specifically, the implementation attempts to access the flags field from the TCP buffer in the following conditional expression in the `check_for_tcp_syn` function. For this reason, an attacker can inject a truncated TCP packet, which will lead to an out-of-bound read from the packet buffer. As of time of publication, a patched version is not available. As a workaround, one can apply the changes in Contiki-NG pull request #2510 to patch the system.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | GitHub, Inc. |
Change History
1 change records found show changes
Initial Analysis by NIST 9/19/2023 11:14:43 AM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:* versions up to (including) 4.9
|
|
| Added | CVSS V3.1 |
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
|
| Changed | Reference Type |
https://github.com/contiki-ng/contiki-ng/pull/2510 No Types Assigned |
https://github.com/contiki-ng/contiki-ng/pull/2510 Issue Tracking, Patch |
| Changed | Reference Type |
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-6648-m23r-hq8c No Types Assigned |
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-6648-m23r-hq8c Vendor Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2023-37459
NVD Published Date:
09/15/2023
NVD Last Modified:
09/19/2023
Source:
GitHub, Inc.