Vulnerability Description
An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0. A buffer overflow is present due to an integer underflow during 6LoWPAN fragment processing in the face of truncated fragments in os/net/ipv6/sicslowpan.c. This results in accesses of unmapped memory, crashing the application. An attacker can cause a denial-of-service via a crafted 6LoWPAN frame.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Contiki-Ng | Contiki-Ng | <= 4.3 |
| Contiki-Os | Contiki | <= 3.0 |
Related Weaknesses (CWE)
References
- https://github.com/contiki-ng/contiki-ng/pull/972PatchThird Party Advisory
- https://github.com/contiki-ng/contiki-ng/releases/tag/release%2Fv4.4Release NotesThird Party Advisory
- https://www.usenix.org/system/files/sec20summer_clements_prepub.pdfTechnical DescriptionThird Party Advisory
- https://github.com/contiki-ng/contiki-ng/pull/972PatchThird Party Advisory
- https://github.com/contiki-ng/contiki-ng/releases/tag/release%2Fv4.4Release NotesThird Party Advisory
- https://www.usenix.org/system/files/sec20summer_clements_prepub.pdfTechnical DescriptionThird Party Advisory
FAQ
What is CVE-2019-9183?
CVE-2019-9183 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0. A buffer overflow is present due to an integer underflow during 6LoWPAN fragment processing in the face of truncated fragment...
How severe is CVE-2019-9183?
CVE-2019-9183 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-9183?
Check the references section above for vendor advisories and patch information. Affected products include: Contiki-Ng Contiki-Ng, Contiki-Os Contiki.