Contiki-NG up to 4.4 SNMP Packet snmp-ber.c snmp_ber_decode_string_len_buffer out-of-bounds
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.4 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in Contiki-NG up to 4.4. Affected is the function snmp_ber_decode_string_len_buffer
of the file os/net/app-layer/snmp/snmp-ber.c of the component SNMP Packet Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality.
The weakness was released 10/19/2021 as 12c824386ab60de757de5001974d73b32e19ad71. The advisory is available at github.com. This vulnerability is traded as CVE-2020-12141 since 04/24/2020. Technical details are known, but there is no available exploit.
Applying the patch 12c824386ab60de757de5001974d73b32e19ad71 is able to eliminate this problem. The bugfix is ready for download at github.com.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 12c824386ab60de757de5001974d73b32e19ad71
Timeline
04/24/2020 🔍10/19/2021 🔍
10/19/2021 🔍
10/23/2021 🔍
Sources
Advisory: 12c824386ab60de757de5001974d73b32e19ad71Status: Confirmed
CVE: CVE-2020-12141 (🔍)
Entry
Created: 10/19/2021 21:22Updated: 10/23/2021 08:23
Changes: 10/19/2021 21:22 (42), 10/23/2021 08:23 (1)
Complete: 🔍
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