CVE-2020-12845

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cherokee 0.4.27 to 1.2.104 is affected by a denial of service due to a NULL pointer dereferences. A remote unauthenticated attacker can crash the server by sending an HTTP request to protected resources using a malformed Authorization header that is mishandled during a cherokee_buffer_add call within cherokee_validator_parse_basic or cherokee_validator_parse_digest.

Cherokee versiones 0.4.27 a 1.2.104, está afectado por una denegación de servicio debido a una desreferencia del puntero NULL. Un atacante remoto no autenticado puede bloquear el servidor mediante el envío de una petición HTTP hacia los recursos protegidos usando un encabezado de autorización malformado que es manejado inapropiadamente durante una llamada de cherokee_buffer_add dentro de cherokee_validator_parse_basic o cherokee_validator_parse_digest

*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

2020-05-14 CVE Reserved
2020-07-27 CVE Published
2023-07-16 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (4)

URL	Tag	Source
https://github.com/cherokee/webserver/releases	Third Party Advisory

URL	Date	SRC
https://github.com/cherokee/webserver/issues/1242	2024-08-04

URL	Date	SRC

URL	Date	SRC
http://cherokee-project.com/downloads.html	2022-11-29
https://security.gentoo.org/glsa/202012-09	2022-11-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cherokee-project Search vendor "Cherokee-project"		Cherokee Search vendor "Cherokee-project" for product "Cherokee"				>= 0.4.27 <= 1.2.104 Search vendor "Cherokee-project" for product "Cherokee" and version " >= 0.4.27 <= 1.2.104"		-		Affected