Unrated severityNVD Advisory· Published Oct 4, 2021· Updated Sep 17, 2024
Incorrect URL validation in FILTER_VALIDATE_URL
CVE-2021-21705
Description
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filter_var() function with FILTER_VALIDATE_URL parameter, an URL with invalid password field can be accepted as valid. This can lead to the code incorrectly parsing the URL and potentially leading to other security implications - like contacting a wrong server or making a wrong access decision.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
74- osv-coords72 versionspkg:bitnami/libphppkg:bitnami/phppkg:bitnami/php-minpkg:rpm/almalinux/apcu-panelpkg:rpm/almalinux/libzippkg:rpm/almalinux/libzip-develpkg:rpm/almalinux/libzip-toolspkg:rpm/almalinux/phppkg:rpm/almalinux/php-bcmathpkg:rpm/almalinux/php-clipkg:rpm/almalinux/php-commonpkg:rpm/almalinux/php-dbapkg:rpm/almalinux/php-dbgpkg:rpm/almalinux/php-develpkg:rpm/almalinux/php-embeddedpkg:rpm/almalinux/php-enchantpkg:rpm/almalinux/php-ffipkg:rpm/almalinux/php-fpmpkg:rpm/almalinux/php-gdpkg:rpm/almalinux/php-gmppkg:rpm/almalinux/php-intlpkg:rpm/almalinux/php-jsonpkg:rpm/almalinux/php-ldappkg:rpm/almalinux/php-mbstringpkg:rpm/almalinux/php-mysqlndpkg:rpm/almalinux/php-odbcpkg:rpm/almalinux/php-opcachepkg:rpm/almalinux/php-pdopkg:rpm/almalinux/php-pearpkg:rpm/almalinux/php-pecl-apcupkg:rpm/almalinux/php-pecl-apcu-develpkg:rpm/almalinux/php-pecl-rrdpkg:rpm/almalinux/php-pecl-xdebugpkg:rpm/almalinux/php-pecl-zippkg:rpm/almalinux/php-pgsqlpkg:rpm/almalinux/php-processpkg:rpm/almalinux/php-snmppkg:rpm/almalinux/php-soappkg:rpm/almalinux/php-xmlpkg:rpm/almalinux/php-xmlrpcpkg:rpm/opensuse/php7&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/php7&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/php7&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/php7-test&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/php7-test&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/php72&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/php72&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/php74&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/php74&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/php7&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/php7&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP2pkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3pkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP2pkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP3pkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/php7&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/php7&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/php7&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/php7&distro=SUSE%20Manager%20Server%204.1
>= 7.3.0, < 7.3.29+ 71 more
- (no CPE)range: >= 7.3.0, < 7.3.29
- (no CPE)range: >= 7.3.0, < 7.3.29
- (no CPE)range: >= 7.3.0, < 7.3.29
- (no CPE)range: < 5.1.18-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 1.6.1-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 1.6.1-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 1.6.1-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 1:1.10.12-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 5.1.18-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 5.1.18-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 2.0.1-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 2.9.5-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 1.18.2-1.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.19-2.module_el8.6.0+2750+78feabcb
- (no CPE)range: < 7.4.6-lp152.2.18.1
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.4.6-lp152.2.18.1
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.2.5-1.63.2
- (no CPE)range: < 7.2.5-1.63.2
- (no CPE)range: < 7.4.6-1.24.1
- (no CPE)range: < 7.4.6-1.24.1
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.4.6-3.22.1
- (no CPE)range: < 7.4.6-3.22.1
- (no CPE)range: < 7.4.6-3.22.1
- (no CPE)range: < 7.4.6-3.22.1
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.2.34-150000.4.103.1
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.4.33-150200.3.46.2
- (no CPE)range: < 7.4.33-150200.3.46.2
Patches
Vulnerability mechanics
References
4- security.gentoo.org/glsa/202209-20mitrevendor-advisoryx_refsource_GENTOO
- bugs.php.net/bug.phpmitrex_refsource_MISC
- security.netapp.com/advisory/ntap-20211029-0006/mitrex_refsource_CONFIRM
- www.oracle.com/security-alerts/cpujan2022.htmlmitrex_refsource_MISC
News mentions
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