CVE-2021-21706

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.

CVSS v3 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://bugs.php.net/bug.php?id=81420	Issue Tracking Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20211029-0007/	Third Party Advisory
https://bugs.php.net/bug.php?id=81420	Issue Tracking Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20211029-0007/	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:48

Type	Values Removed	Values Added
References	~~() https://bugs.php.net/bug.php?id=81420 - Issue Tracking, Patch, Vendor Advisory~~	() https://bugs.php.net/bug.php?id=81420 - Issue Tracking, Patch, Vendor Advisory
References	~~() https://security.netapp.com/advisory/ntap-20211029-0007/ - Third Party Advisory~~	() https://security.netapp.com/advisory/ntap-20211029-0007/ - Third Party Advisory
CVSS	v2 : ~~4.3~~ v3 : ~~6.5~~	v2 : 4.3 v3 : 5.3

Information

Published : 2021-10-04 04:15

Updated : 2024-11-21 05:48

NVD link : CVE-2021-21706

Mitre link : CVE-2021-21706

CVE.ORG link : CVE-2021-21706

JSON object : View

Products Affected

php

php

microsoft

windows

CWE

CWE-24

Path Traversal: '../filedir'

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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