CVE-2020-7061

heap-buffer-overflow in phar_extract_file

Severity Score

9.1

*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 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash.

En PHP versiones 7.3.x por debajo de 7.3.15 y versiones 7.4.x por debajo de 7.4.3, mientras son extraídos los archivos PHAR en Windows usando la extensión phar, determinado contenido dentro del archivo PHAR podría conllevar a una lectura de un byte más allá del búfer asignado. Esto potencialmente podría conllevar a una divulgación de información o bloqueo de aplicación.

*Credits: Reported by cmb@php.net

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-15 CVE Reserved
2020-02-27 CVE Published
2023-07-02 EPSS Updated
2024-09-17 CVE Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://bugs.php.net/bug.php?id=79171	2024-09-17

URL	Date	SRC
https://www.tenable.com/security/tns-2021-14	2022-05-16

URL	Date	SRC
https://security.gentoo.org/glsa/202003-57	2022-05-16

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"	>= 7.2.0 <= 7.2.27 Search vendor "Php" for product "Php" and version " >= 7.2.0 <= 7.2.27"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Php Search vendor "Php"	Php Search vendor "Php" for product "Php"	>= 7.3.0 <= 7.3.14 Search vendor "Php" for product "Php" and version " >= 7.3.0 <= 7.3.14"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Php Search vendor "Php"	Php Search vendor "Php" for product "Php"	>= 7.4.0 <= 7.4.2 Search vendor "Php" for product "Php" and version " >= 7.4.0 <= 7.4.2"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Tenable Search vendor "Tenable"		Tenable.sc Search vendor "Tenable" for product "Tenable.sc"				< 5.19.0 Search vendor "Tenable" for product "Tenable.sc" and version " < 5.19.0"		-		Affected