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VULNERABILITIES

CVE-2022-37797 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://lists.debian.org/debian-lts-announce/2022/10/msg00002.html CVEMailing ListThird Party Advisory
https://redmine.lighttpd.net/issues/3165 CVEExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202210-12 CVEThird Party Advisory
https://www.debian.org/security/2022/dsa-5243 CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00002.html [email protected]Mailing ListThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
lighttpd lighttpd
1.4.65

CPE

  • cpe:2.3:a:lighttpd:lighttpd:1.4.65:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
10.0

CPE

  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2022-37797
NVD Published Date:
Sep 12, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2022-37797 Details - Not Deferred