Vulnerability · Published Feb 10, 2020 · Assigned by php

CVE-2020-7060global buffer-overflow in mbfl_filt_conv_big5_wchar

Medium 6.5

In plain English

A medium-severity out-of-bounds read 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 8.9% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)8.9%top 4.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.

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 7.2.x – before 7.2.277.3.x – before 7.3.147.4.x – before 7.4.2

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

References