CVE-2017-18264

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in libraries/common.inc.php in phpMyAdmin 4.0 before 4.0.10.20, 4.4.x, 4.6.x, and 4.7.0 prereleases. The restrictions caused by $cfg['Servers'][$i]['AllowNoPassword'] = false are bypassed under certain PHP versions (e.g., version 5). This can allow the login of users who have no password set even if the administrator has set $cfg['Servers'][$i]['AllowNoPassword'] to false (which is also the default). This occurs because some implementations of the PHP substr function return false when given '' as the first argument.

Se ha descubierto un problema en libraries/common.inc.php en phpMyAdmin en versiones 4.0 anteriores a la 4.0.10.20, 4.4.x, 4.6.x y 4.7.0 "prereleases". Las restricciones causadas por $cfg['Servers'][$i]['AllowNoPassword'] = false se omiten en determinadas versiones PHP (por ejemplo, la versión 5). Esto puede permitir que inicien sesión los usuarios que no tengan una contraseña establecida incluso si el administrador tiene establecido $cfg['Servers'][$i]['AllowNoPassword'] en "false" (que es también el valor por defecto). Esto ocurre porque determinadas implementaciones de la función de PHP substr devuelven el valor "falso" cuando se proporciona el carácter " como primer argumento.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-05-01 CVE Reserved
2018-05-01 CVE Published
2024-08-05 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (3)

URL	Tag	Source
http://www.securityfocus.com/bid/97211	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00006.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://www.phpmyadmin.net/security/PMASA-2017-8	2019-10-03

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Phpmyadmin Search vendor "Phpmyadmin"		Phpmyadmin Search vendor "Phpmyadmin" for product "Phpmyadmin"				>= 4.0.0 < 4.0.10.20 Search vendor "Phpmyadmin" for product "Phpmyadmin" and version " >= 4.0.0 < 4.0.10.20"		-		Affected
Phpmyadmin Search vendor "Phpmyadmin"		Phpmyadmin Search vendor "Phpmyadmin" for product "Phpmyadmin"				>= 4.4.0 <= 4.4.15.10 Search vendor "Phpmyadmin" for product "Phpmyadmin" and version " >= 4.4.0 <= 4.4.15.10"		-		Affected
Phpmyadmin Search vendor "Phpmyadmin"		Phpmyadmin Search vendor "Phpmyadmin" for product "Phpmyadmin"				>= 4.6.0 <= 4.6.6 Search vendor "Phpmyadmin" for product "Phpmyadmin" and version " >= 4.6.0 <= 4.6.6"		-		Affected
Phpmyadmin Search vendor "Phpmyadmin"		Phpmyadmin Search vendor "Phpmyadmin" for product "Phpmyadmin"				4.7.0 Search vendor "Phpmyadmin" for product "Phpmyadmin" and version "4.7.0"		beta1		Affected
Phpmyadmin Search vendor "Phpmyadmin"		Phpmyadmin Search vendor "Phpmyadmin" for product "Phpmyadmin"				4.7.0 Search vendor "Phpmyadmin" for product "Phpmyadmin" and version "4.7.0"		rc1		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected