Bug 1191314 – VUL-1: CVE-2021-21706: php: ZipArchive:extractTo may be tricked into writing a file outside target directory when extracting a ZIP files

Bug 1191314 - (CVE-2021-21706) VUL-1: CVE-2021-21706: php: ZipArchive:extractTo may be tricked into writing a file outside target directory when extracting a ZIP files

(CVE-2021-21706)
Summary:	VUL-1: CVE-2021-21706: php: ZipArchive:extractTo may be tricked into writing ...

Status:	RESOLVED INVALID

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P5 - None Severity: Minor
Target Milestone:	---
Assigned To:	Security Team bot
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/311585/
Whiteboard:
Keywords:

Depends on:
Blocks:
	Show dependency tree / graph

Create test case

Clone This Bug

Reported:	2021-10-05 09:07 UTC by Alexander Bergmann
Modified:	2021-10-05 09:08 UTC (History)
CC List:	2 users (show)

See Also:
Found By:	Security Response Team
Services Priority:
Business Priority:
Blocker:	---
Marketing QA Status:	---
IT Deployment:	---

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.

Description Alexander Bergmann 2021-10-05 09:07:49 UTC

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.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-21706
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21706
http://www.cvedetails.com/cve/CVE-2021-21706/
https://bugs.php.net/bug.php?id=81420

Comment 1 Alexander Bergmann 2021-10-05 09:08:09 UTC

Close as invalid.