CVE-2020-7068

Use of freed hash key in the phar_parse_zipfile function

Severity Score

3.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.

En PHP versiones 7.2.x por debajo de 7.2.33, 7.3.x por debajo de 7.3.21 y 7.4.x por debajo de 7.4.9, mientras se procesan archivos PHAR con la extensión phar, la función phar_parse_zipfile podría ser engañada para que acceda a la memoria liberada, lo que podría conllevar a un bloqueo o una divulgación de información

*Credits: grigoritchy at gmail dot com

CVSS Scores

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Attack Vector

Local

Attack Complexity

Medium

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
2020-09-09 CVE Published
2023-03-08 EPSS Updated
2024-09-17 CVE Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (7)

URL	Tag	Source
https://security.netapp.com/advisory/ntap-20200918-0005	Third Party Advisory

URL	Date	SRC
https://bugs.php.net/bug.php?id=79797	2024-09-17

URL	Date	SRC
https://www.tenable.com/security/tns-2021-14	2022-07-01

URL	Date	SRC
https://security.gentoo.org/glsa/202009-10	2022-07-01
https://www.debian.org/security/2021/dsa-4856	2022-07-01
https://access.redhat.com/security/cve/CVE-2020-7068	2021-11-09
https://bugzilla.redhat.com/show_bug.cgi?id=1868109	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"				>= 7.2.0 < 7.2.33 Search vendor "Php" for product "Php" and version " >= 7.2.0 < 7.2.33"		-		Affected
Php Search vendor "Php"		Php Search vendor "Php" for product "Php"				>= 7.3.0 < 7.3.21 Search vendor "Php" for product "Php" and version " >= 7.3.0 < 7.3.21"		-		Affected
Php Search vendor "Php"		Php Search vendor "Php" for product "Php"				>= 7.4.0 < 7.4.9 Search vendor "Php" for product "Php" and version " >= 7.4.0 < 7.4.9"		-		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
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