Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-12141

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.

Published

2021-10-19T16:15:07.613

Last Modified

2024-11-21T04:59:19.830

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

4.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	contiki-ng	contiki-ng	≤ 4.4	Yes

References

https://github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71#diff-32367fad664c6118fd5dda77cdf38eedc006cdd7544eca5bbeebe0b99653f8a0 Patch, Third Party Advisory ([email protected])
https://github.com/contiki-ng/contiki-ng/pull/1355 Patch, Third Party Advisory ([email protected])
https://twitter.com/ScepticCtf Third Party Advisory ([email protected])
https://github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71#diff-32367fad664c6118fd5dda77cdf38eedc006cdd7544eca5bbeebe0b99653f8a0 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/contiki-ng/contiki-ng/pull/1355 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://twitter.com/ScepticCtf Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)