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vulnerability

Alpine Linux: CVE-2020-7063: Improper Preservation of Permissions

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Feb 27, 2020
Added
Oct 1, 2024
Modified
Mar 25, 2026

Description

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when creating PHAR archive using PharData::buildFromIterator() function, the files are added with default permissions (0666, or all access) even if the original files on the filesystem were with more restrictive permissions. This may result in files having more lax permissions than intended when such archive is extracted.

Solution

alpine-linux-upgrade-php7
Title
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