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Red Hat: CVE-2021-21707: CVE-2021-21707 php: Special character breaks path in xml parsing (Multiple Advisories)

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Red Hat: CVE-2021-21707: CVE-2021-21707 php: Special character breaks path in xml parsing (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
11/29/2021
Created
11/10/2022
Added
11/09/2022
Modified
12/15/2023

Description

In PHP versions 7.3.x below 7.3.33, 7.4.x below 7.4.26 and 8.0.x below 8.0.13, certain XML parsing functions, like simplexml_load_file(), URL-decode the filename passed to them. If that filename contains URL-encoded NUL character, this may cause the function to interpret this as the end of the filename, thus interpreting the filename differently from what the user intended, which may lead it to reading a different file than intended.

Solution(s)

  • redhat-upgrade-apcu-panel
  • redhat-upgrade-libzip
  • redhat-upgrade-libzip-debuginfo
  • redhat-upgrade-libzip-debugsource
  • redhat-upgrade-libzip-devel
  • redhat-upgrade-libzip-tools
  • redhat-upgrade-libzip-tools-debuginfo
  • redhat-upgrade-php
  • redhat-upgrade-php-bcmath
  • redhat-upgrade-php-bcmath-debuginfo
  • redhat-upgrade-php-cli
  • redhat-upgrade-php-cli-debuginfo
  • redhat-upgrade-php-common
  • redhat-upgrade-php-common-debuginfo
  • redhat-upgrade-php-dba
  • redhat-upgrade-php-dba-debuginfo
  • redhat-upgrade-php-dbg
  • redhat-upgrade-php-dbg-debuginfo
  • redhat-upgrade-php-debuginfo
  • redhat-upgrade-php-debugsource
  • redhat-upgrade-php-devel
  • redhat-upgrade-php-embedded
  • redhat-upgrade-php-embedded-debuginfo
  • redhat-upgrade-php-enchant
  • redhat-upgrade-php-enchant-debuginfo
  • redhat-upgrade-php-ffi
  • redhat-upgrade-php-ffi-debuginfo
  • redhat-upgrade-php-fpm
  • redhat-upgrade-php-fpm-debuginfo
  • redhat-upgrade-php-gd
  • redhat-upgrade-php-gd-debuginfo
  • redhat-upgrade-php-gmp
  • redhat-upgrade-php-gmp-debuginfo
  • redhat-upgrade-php-intl
  • redhat-upgrade-php-intl-debuginfo
  • redhat-upgrade-php-json
  • redhat-upgrade-php-json-debuginfo
  • redhat-upgrade-php-ldap
  • redhat-upgrade-php-ldap-debuginfo
  • redhat-upgrade-php-mbstring
  • redhat-upgrade-php-mbstring-debuginfo
  • redhat-upgrade-php-mysqlnd
  • redhat-upgrade-php-mysqlnd-debuginfo
  • redhat-upgrade-php-odbc
  • redhat-upgrade-php-odbc-debuginfo
  • redhat-upgrade-php-opcache
  • redhat-upgrade-php-opcache-debuginfo
  • redhat-upgrade-php-pdo
  • redhat-upgrade-php-pdo-debuginfo
  • redhat-upgrade-php-pear
  • redhat-upgrade-php-pecl-apcu
  • redhat-upgrade-php-pecl-apcu-debuginfo
  • redhat-upgrade-php-pecl-apcu-debugsource
  • redhat-upgrade-php-pecl-apcu-devel
  • redhat-upgrade-php-pecl-rrd
  • redhat-upgrade-php-pecl-rrd-debuginfo
  • redhat-upgrade-php-pecl-rrd-debugsource
  • redhat-upgrade-php-pecl-xdebug
  • redhat-upgrade-php-pecl-xdebug-debuginfo
  • redhat-upgrade-php-pecl-xdebug-debugsource
  • redhat-upgrade-php-pecl-zip
  • redhat-upgrade-php-pecl-zip-debuginfo
  • redhat-upgrade-php-pecl-zip-debugsource
  • redhat-upgrade-php-pgsql
  • redhat-upgrade-php-pgsql-debuginfo
  • redhat-upgrade-php-process
  • redhat-upgrade-php-process-debuginfo
  • redhat-upgrade-php-snmp
  • redhat-upgrade-php-snmp-debuginfo
  • redhat-upgrade-php-soap
  • redhat-upgrade-php-soap-debuginfo
  • redhat-upgrade-php-xml
  • redhat-upgrade-php-xml-debuginfo
  • redhat-upgrade-php-xmlrpc
  • redhat-upgrade-php-xmlrpc-debuginfo

References

  • DSA-5082
  • CVE-2021-21707
  • RHSA-2022:7628

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