Is CVE-2022-37797 actively exploited?

CVE-2022-37797 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2022-37797?

CVE-2022-37797 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2022-37797?

Patch guidance is available from lighttpd security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-37797.

Fix CVE-2022-37797 - HIGH lighttpd lighttpd

Q: Which products are affected by CVE-2022-37797?

2 products: lighttpd lighttpd, debian debian linux.

Description

In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-476 · NULL Pointer Dereference

Metadata

Primary Vendor: LIGHTTPD
Published: 9/12/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2022-37797

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary