CVE-2020-7063

NameCVE-2020-7063
DescriptionIn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2160-1, DSA-4717-1, DSA-4719-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php7.0 (PTS)stretch7.0.33-0+deb9u8fixed
stretch (security)7.0.33-0+deb9u10fixed
php7.3 (PTS)buster, buster (security)7.3.19-1~deb10u1fixed
php7.4 (PTS)bullseye, sid7.4.11-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5sourcejessie5.6.40+dfsg-0+deb8u10DLA-2160-1
php5source(unstable)(unfixed)
php7.0sourcestretch7.0.33-0+deb9u8DSA-4717-1
php7.0source(unstable)(unfixed)
php7.3sourcebuster7.3.19-1~deb10u1DSA-4719-1
php7.3source(unstable)7.3.15-1
php7.4source(unstable)7.4.3-1

Notes

Fixed in PHP 7.4.3, 7.3.15, 7.2.28
PHP Bug: https://bugs.php.net/79082

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