CVE-2017-7509

8: Enrolling certificate without certreq field causes CA to crash

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.

Se ha detectado un error de validación de entradas en cómo gestiona Red Hat Certificate System los certificados proporcionados por el cliente en versiones anteriores a la 8.1.20-1. Si el campo certreq no está presente en un certificado, se desencadena un error de aserción que provoca una denegación de servicio (DoS).

An input validation error was found in Red Hat Certificate System's handling of client provided certificates. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-04-05 CVE Reserved
2017-08-30 CVE Published
2023-07-20 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (5)

URL	Tag	Source
http://www.securitytracker.com/id/1039248	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2017:2560	2019-10-09
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7509	2019-10-09
https://access.redhat.com/security/cve/CVE-2017-7509	2017-08-30
https://bugzilla.redhat.com/show_bug.cgi?id=1456030	2017-08-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Certificate System Search vendor "Redhat" for product "Certificate System"				< 8.1.20-1 Search vendor "Redhat" for product "Certificate System" and version " < 8.1.20-1"		-		Affected