CVE-2021-46901

Published: Dec 31, 2023Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

examples/6lbr/apps/6lbr-webserver/httpd.c in CETIC-6LBR (aka 6lbr) 1.5.0 has a strcat stack-based buffer overflow via a request for a long URL over a 6LoWPAN network.

Affected (1)

Products: Cetic: Cetic 6lbr

Cetic

1 product

Cetic 6lbr

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Cetic Cetic 6lbr	Version 1.5.0

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

https://github.com/cetic/6lbr/blob/c3092a1ccc6b6b0e668f33f6f4b2d6967975d664/examples/6lbr/apps/6lbr-webserver/httpd.c#L119

Source: cve@mitre.org

Patch

https://github.com/cetic/6lbr/issues/414

Source: cve@mitre.org

ExploitIssue TrackingVendor Advisory

https://github.com/cetic/6lbr/blob/c3092a1ccc6b6b0e668f33f6f4b2d6967975d664/examples/6lbr/apps/6lbr-webserver/httpd.c#L119

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://github.com/cetic/6lbr/issues/414

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingVendor Advisory

Timeline

No history available yet.