CVE-2022-47517

Published Dec 18, 2022

Last updated a year ago

Overview

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.
Source: cve@mitre.org
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-193

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:drachtio:drachtio-server:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "24320D84-70B3-4A0E-AE01-D5DCF0AD5848",
            "versionEndExcluding": "0.8.19"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References