Contiki/Contiki-NG 6LoWPAN Fragment os/net/ipv6/sicslowpan.c out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.3 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Contiki and Contiki-NG. This affects an unknown function of the file os/net/ipv6/sicslowpan.c of the component 6LoWPAN Fragment Handler. Performing a manipulation results in out-of-bounds write. This vulnerability is known as CVE-2019-8359. Remote exploitation of the attack is possible. No exploit is available.
Details
A vulnerability classified as critical has been found in Contiki and Contiki-NG (the affected version is unknown). This affects an unknown code of the file os/net/ipv6/sicslowpan.c of the component 6LoWPAN Fragment Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
An issue was discovered in Contiki-NG through 4.2 and Contiki through 3.0. An out of bounds write is present in the data section during 6LoWPAN fragment re-assembly in the face of forged fragment offsets in os/net/ipv6/sicslowpan.c.
The weakness was published 04/23/2020 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2019-8359 since 02/16/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Similar entry is available at VDB-154306. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.3
VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Upgrade: github.com
Patch: github.com
Timeline
02/16/2019 🔍04/23/2020 🔍
04/24/2020 🔍
06/02/2024 🔍
Sources
Advisory: github.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2019-8359 (🔍)
GCVE (CVE): GCVE-0-2019-8359
GCVE (VulDB): GCVE-100-154305
See also: 🔍
Entry
Created: 04/24/2020 07:26Updated: 06/02/2024 10:42
Changes: 04/24/2020 07:26 (37), 04/24/2020 07:31 (17), 10/12/2020 14:07 (1), 06/02/2024 10:42 (19)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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