Vulnerability · Published Feb 27, 2020 · Assigned by php

CVE-2020-7063Files added to tar with Phar::buildFromIterator have all-access permissions

Medium 5.5

In plain English

A medium-severity security flaw in PHP from PHP Group. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.6%top 24.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8apcu-panel5.1.17-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8libzip1.5.2-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8libzip1.5.2-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8libzip1.5.2-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8libzip-devel1.5.2-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8libzip-devel1.5.2-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8libzip-devel1.5.2-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8libzip-tools1.5.2-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8libzip-tools1.5.2-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8libzip-tools1.5.2-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-bcmath7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-bcmath7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-bcmath7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-cli7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-cli7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-cli7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-common7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-common7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-common7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-dba7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-dba7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-dba7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-dbg7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-dbg7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-dbg7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-devel7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-devel7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-devel7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-embedded7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-embedded7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-embedded7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-enchant7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-enchant7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-enchant7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-fpm7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-fpm7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-fpm7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-gd7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-gd7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-gd7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-gmp7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-gmp7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-gmp7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-intl7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-intl7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-intl7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-json7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-json7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-json7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-ldap7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-ldap7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-ldap7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-mbstring7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-mbstring7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-mbstring7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-mysqlnd7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-mysqlnd7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-mysqlnd7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-odbc7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-odbc7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-odbc7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-opcache7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-opcache7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-opcache7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-pdo7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-pdo7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-pdo7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-pear1:1.10.9-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-apcu5.1.17-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-pecl-apcu5.1.17-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-apcu5.1.17-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-apcu-devel5.1.17-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-apcu-devel5.1.17-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-apcu-devel5.1.17-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-pecl-rrd2.0.1-1.module_el8.6.0+2750+78feabcbALSA-2020:3662
AlmaLinux:8php-pecl-rrd2.0.1-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-rrd2.0.1-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-xdebug2.8.0-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-pecl-xdebug2.8.0-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-xdebug2.8.0-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-zip1.15.4-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-pecl-zip1.15.4-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-pecl-zip1.15.4-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-pgsql7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-pgsql7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-pgsql7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-process7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-process7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-process7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-recode7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-recode7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-recode7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-snmp7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-snmp7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-snmp7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-soap7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-soap7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-soap7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-xml7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
AlmaLinux:8php-xml7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-xml7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-xmlrpc7.3.20-1.module_el8.5.0+152+112d3b8cALSA-2020:3662
AlmaLinux:8php-xmlrpc7.3.20-1.module_el8.3.0+2009+b272fdefALSA-2020:3662
AlmaLinux:8php-xmlrpc7.3.20-1.module_el8.4.0+2229+b272fdefALSA-2020:3662
Rocky Linux:8libzip0:1.5.2-1.module+el8.4.0+414+2e7afcddRLSA-2020:3662
Rocky Linux:8php0:7.3.20-1.module+el8.4.0+414+2e7afcddRLSA-2020:3662
Rocky Linux:8php-pear1:1.10.9-1.module+el8.4.0+414+2e7afcddRLSA-2020:3662
Rocky Linux:8php-pecl-apcu0:5.1.17-1.module+el8.4.0+414+2e7afcddRLSA-2020:3662
Rocky Linux:8php-pecl-rrd0:2.0.1-1.module+el8.4.0+414+2e7afcddRLSA-2020:3662
Rocky Linux:8php-pecl-xdebug0:2.8.0-1.module+el8.4.0+414+2e7afcddRLSA-2020:3662
Rocky Linux:8php-pecl-zip0:1.15.4-1.module+el8.4.0+414+2e7afcddRLSA-2020:3662

Affected products (as reported)

VendorProductVersions
PHP Group PHP 7.3.x – before 7.3.157.4.x – before 7.4.37.2.x – before 7.2.28

Weakness: CWE-281 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References