CVE-2020-7071

FILTER_VALIDATE_URL accepts URLs with invalid userinfo

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In PHP versions 7.3.x below 7.3.26, 7.4.x below 7.4.14 and 8.0.0, when validating URL with functions like filter_var($url, FILTER_VALIDATE_URL), PHP will accept an URL with invalid password as valid URL. This may lead to functions that rely on URL being valid to mis-parse the URL and produce wrong data as components of the URL.

En PHP versiones 7.3.x por debajo de 7.3.26, 7.4.x por debajo de 7.4.14 y 8.0.0, cuando se comprueba una URL con funciones como filter_var ($url, FILTER_VALIDATE_URL), PHP aceptará una URL con una contraseña no válida como una URL válida. Esto puede conllevar a funciones que dependen de que la URL sea válida para analizar inapropiadamente la URL y producir datos incorrectos como componentes de la URL

*Credits: Reported by jifan dot jf at alibaba-inc dot com

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-15 CVE Reserved
2021-02-15 CVE Published
2024-03-07 EPSS Updated
2024-09-16 CVE Updated
2024-09-16 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation

CAPEC

References (9)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html	Mailing List
https://www.tenable.com/security/tns-2021-14	Third Party Advisory

URL	Date	SRC
https://bugs.php.net/bug.php?id=77423	2024-09-16

URL	Date	SRC
https://www.oracle.com/security-alerts/cpuoct2021.html	2022-08-29

URL	Date	SRC
https://security.gentoo.org/glsa/202105-23	2022-08-29
https://security.netapp.com/advisory/ntap-20210312-0005	2022-08-29
https://www.debian.org/security/2021/dsa-4856	2022-08-29
https://access.redhat.com/security/cve/CVE-2020-7071	2021-11-09
https://bugzilla.redhat.com/show_bug.cgi?id=1913846	2021-11-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Php Search vendor "Php"		Php Search vendor "Php" for product "Php"				>= 7.3.0 < 7.3.26 Search vendor "Php" for product "Php" and version " >= 7.3.0 < 7.3.26"		-		Affected
Php Search vendor "Php"		Php Search vendor "Php" for product "Php"				>= 7.4.0 < 7.4.14 Search vendor "Php" for product "Php" and version " >= 7.4.0 < 7.4.14"		-		Affected
Php Search vendor "Php"		Php Search vendor "Php" for product "Php"				>= 8.0.0 < 8.0.1 Search vendor "Php" for product "Php" and version " >= 8.0.0 < 8.0.1"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Netapp Search vendor "Netapp"		Clustered Data Ontap Search vendor "Netapp" for product "Clustered Data Ontap"				-		-		Affected