CVEvulnerability
CVE-2022-47517
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-12-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-193
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.
Affected configurations
• drachtio drachtio-server (< 0.8.19)
Related
Weakness · CWE (1)
- CWE-193 Off-by-one Error weakness
References
- https://github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47e Patch, Third Party Advisory
- https://github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c11d0d29f Patch, Third Party Advisory
- https://github.com/drachtio/drachtio-server/issues/243 Exploit, Third Party Advisory
- https://github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47e Patch, Third Party Advisory
- https://github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c11d0d29f Patch, Third Party Advisory
- https://github.com/drachtio/drachtio-server/issues/243 Exploit, Third Party Advisory