Vulnerability · Published Apr 1, 2020 · Assigned by php

CVE-2020-7064Use-of-uninitialized-value in exif

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 4.3% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)4.3%top 8.8% 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 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially 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 7.3.x – before 7.3.167.4.x – before 7.4.47.2.x – before 7.2.29

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

References