Vulnerability · Published Sep 9, 2020 · Assigned by php
CVE-2020-7068Use of freed hash key in the phar_parse_zipfile function
Medium 4.8
In plain English
A medium-severity use-after-free 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 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)1.7%top 23.2% 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 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | apcu-panel | 5.1.18-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | libzip | 1.6.1-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | libzip-devel | 1.6.1-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | libzip-tools | 1.6.1-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | php | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-bcmath | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-cli | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-common | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-dba | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-dbg | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-devel | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-embedded | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-enchant | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-ffi | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-fpm | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-gd | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-gmp | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-intl | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-json | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-ldap | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-mbstring | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-mysqlnd | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-odbc | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-opcache | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-pdo | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-pear | 1:1.10.12-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | php-pecl-apcu | 5.1.18-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | php-pecl-apcu-devel | 5.1.18-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | php-pecl-rrd | 2.0.1-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | php-pecl-rrd | 2.0.1-1.module_el8.4.0+2229+b272fdef | ALSA-2021:4213 |
| AlmaLinux:8 | php-pecl-rrd | 2.0.1-1.module_el8.3.0+2009+b272fdef | ALSA-2021:4213 |
| AlmaLinux:8 | php-pecl-xdebug | 2.9.5-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | php-pecl-zip | 1.18.2-1.module_el8.6.0+2750+78feabcb | ALSA-2021:4213 |
| AlmaLinux:8 | php-pgsql | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-process | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-snmp | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-soap | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-xml | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| AlmaLinux:8 | php-xmlrpc | 7.4.19-3.module_el8.6.0+2976+8b9a0d08 | ALSA-2021:4213 |
| Rocky Linux:8 | libzip | 0:1.6.1-1.module+el8.6.0+789+2130c178 | RLSA-2021:4213 |
| Rocky Linux:8 | libzip | 0:1.6.1-1.module+el8.4.0+415+e936cba3 | RLSA-2021:4213 |
| Rocky Linux:8 | php | 0:7.4.19-1.module+el8.5.0+696+61e7c9ba | RLSA-2021:4213 |
| Rocky Linux:8 | php-pear | 1:1.10.12-1.module+el8.4.0+415+e936cba3 | RLSA-2021:4213 |
| Rocky Linux:8 | php-pear | 1:1.10.12-1.module+el8.6.0+789+2130c178 | RLSA-2021:4213 |
| Rocky Linux:8 | php-pecl-apcu | 0:5.1.18-1.module+el8.6.0+789+2130c178 | RLSA-2021:4213 |
| Rocky Linux:8 | php-pecl-apcu | 0:5.1.18-1.module+el8.4.0+415+e936cba3 | RLSA-2021:4213 |
| Rocky Linux:8 | php-pecl-rrd | 0:2.0.1-1.module+el8.4.0+414+2e7afcdd | RLSA-2021:4213 |
| Rocky Linux:8 | php-pecl-xdebug | 0:2.9.5-1.module+el8.4.0+415+e936cba3 | RLSA-2021:4213 |
| Rocky Linux:8 | php-pecl-zip | 0:1.18.2-1.module+el8.6.0+789+2130c178 | RLSA-2021:4213 |
| Rocky Linux:8 | php-pecl-zip | 0:1.18.2-1.module+el8.4.0+415+e936cba3 | RLSA-2021:4213 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
References
- https://bugs.php.net/bug.php?id=79797 x_refsource_MISC
- GLSA-202009-10 vendor-advisory, x_refsource_GENTOO
- https://security.netapp.com/advisory/ntap-20200918-0005/ x_refsource_CONFIRM
- DSA-4856 vendor-advisory, x_refsource_DEBIAN
- https://www.tenable.com/security/tns-2021-14 x_refsource_CONFIRM