Vulnerability in Drachtio Drachtio-Server
CVE-2022-47517
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/drachtio/drachtio-server/issues/243 (Exploit, Third Party Advisory)
- github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47e (Patch, Third Party Advisory)
- github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c11d0d29f (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-47517?
- CVE-2022-47517 is a high-severity vulnerability in Drachtio Drachtio-Server, classified under Off-by-one Error. CVSS score: 7.5/10. Published 2022-12-18.
- How severe is CVE-2022-47517?
- High severity. CVSS v3 base score is 7.5 out of 10.