What is the CVSS score of CVE-2022-47517?

CVE-2022-47517 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2022-47517?

Yes, a public proof-of-concept exploit is available for CVE-2022-47517. Prioritise patching immediately. EPSS: 1.5%.

Is there a patch available for CVE-2022-47517?

Yes, a patch is available for CVE-2022-47517. Update the affected software to the latest version immediately.

Drachtio Server CVE-2022-47517

HIGH

Off-by-one Error (CWE-193)

2022-12-18 cve@mitre.org

Denial Of Service Drachtio Server

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 18, 2022 - 05:15 nvd

HIGH 7.5

DescriptionNVD

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.

AnalysisAI

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-193. 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 products include: Drachtio Drachtio-Server. Version information: before 0.8.19..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.