CVE-2022-47517

HIGH

drachtio-server < 0.8.19 - Denial of Service via Crafted UDP Message

Title source: llm
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v3 7.5
EPSS 0.0146
EPSS Percentile 70.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-193
Status published
Products (1)
drachtio/drachtio-server < 0.8.19
Published Dec 18, 2022
Tracked Since Feb 18, 2026