CVE-2020-12141

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.50%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory twitter.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://twitter.com/ScepticCtf third party advisory
https://github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71#diff-32367fad664c6118fd5dda77cdf38eedc006cdd7544eca5bbeebe0b99653f8a0 third party advisory patch
https://github.com/contiki-ng/contiki-ng/pull/1355 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-12141?
CVE-2020-12141 has been scored as a critical severity vulnerability.
How to fix CVE-2020-12141?
To fix CVE-2020-12141, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12141 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-12141 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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