Vulnerability Description
An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Drachtio | Drachtio-Server | < 0.8.19 |
Related Weaknesses (CWE)
References
- https://github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bfPatchThird Party Advisory
- https://github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c1PatchThird Party Advisory
- https://github.com/drachtio/drachtio-server/issues/243ExploitThird Party Advisory
- https://github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bfPatchThird Party Advisory
- https://github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c1PatchThird Party Advisory
- https://github.com/drachtio/drachtio-server/issues/243ExploitThird Party Advisory
FAQ
What is CVE-2022-47517?
CVE-2022-47517 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_ca...
How severe is CVE-2022-47517?
CVE-2022-47517 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-2022-47517?
Check the references section above for vendor advisories and patch information. Affected products include: Drachtio Drachtio-Server.