Description
An out-of-bounds read in the SNMP stack in Contiki-NG 4.4 and earlier allows an attacker to cause a denial of service and potentially disclose information via crafted SNMP packets to snmp_ber_decode_string_len_buffer in os/net/app-layer/snmp/snmp-ber.c.
References (3)
Core 3
Core References
Third Party Advisory x_refsource_misc
https://twitter.com/ScepticCtf
Patch, Third Party Advisory x_refsource_misc
https://github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71#diff-32367fad664c6118fd5dda77cdf38eedc006cdd7544eca5bbeebe0b99653f8a0
Patch, Third Party Advisory x_refsource_misc
https://github.com/contiki-ng/contiki-ng/pull/1355
Scores
CVSS v3
9.1
EPSS
0.0050
EPSS Percentile
65.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
contiki-ng/contiki-ng
< 4.4
Published
Oct 19, 2021
Tracked Since
Feb 18, 2026