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 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

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

Configurations

Configuration 1 (hide)

AND

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

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

History

No history.

Information

Published : 2021-10-04 04:15

Updated : 2021-11-03 20:24

NVD link : CVE-2021-21706

Mitre link : CVE-2021-21706

CVE.ORG link : CVE-2021-21706

JSON object : View

Products Affected

microsoft

windows

php

php

CWE

CWE-22

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

CWE-24

Path Traversal: '../filedir'

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