CVE-2022-37797
CVSS V2 None
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2022-37797
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-09-12T15:15:08
- Last Modified Date
- 2022-12-03T01:11:34
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:lighttpd:lighttpd:1.4.65:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://lists.debian.org/debian-lts-announce/2022/10/msg00002.html | Mailing List Third Party Advisory |
| https://redmine.lighttpd.net/issues/3165 | Exploit Issue Tracking Third Party Advisory |
| https://security.gentoo.org/glsa/202210-12 | |
| https://www.debian.org/security/2022/dsa-5243 | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-37797 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-37797 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-09-12 16:00:11 | Added to TrackCVE | |||
| 2022-12-06 14:35:37 | 2022-12-03T01:11:34 | CVE Modified Date | updated | |
| 2022-12-06 14:35:37 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |