CVE-2022-30780

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.

Lighttpd versiones 1.4.56 hasta 1.4.58, permite a un atacante remoto causar una denegación de servicio (consumo de CPU por conexiones atascadas) porque la función connection_read_header_more en el archivo connections.c presenta una errata que interrumpe el uso de múltiples operaciones de lectura en encabezados grandes

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-05-16 CVE Reserved
2022-06-11 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-09-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-682: Incorrect Calculation

CAPEC

References (4)

URL	Tag	Source
https://github.com/lighttpd/lighttpd1.4	Product

URL	Date	SRC
https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service	2024-08-03
https://podalirius.net/en/cves/2022-30780	2024-08-03

URL	Date	SRC
https://redmine.lighttpd.net/issues/3059	2023-08-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Lighttpd Search vendor "Lighttpd"		Lighttpd Search vendor "Lighttpd" for product "Lighttpd"				1.4.56 Search vendor "Lighttpd" for product "Lighttpd" and version "1.4.56"		-		Affected
Lighttpd Search vendor "Lighttpd"		Lighttpd Search vendor "Lighttpd" for product "Lighttpd"				1.4.57 Search vendor "Lighttpd" for product "Lighttpd" and version "1.4.57"		-		Affected
Lighttpd Search vendor "Lighttpd"		Lighttpd Search vendor "Lighttpd" for product "Lighttpd"				1.4.58 Search vendor "Lighttpd" for product "Lighttpd" and version "1.4.58"		-		Affected