Red Hat: CVE-2017-7890: Moderate: php security update (RHSA-2018:0406)
4
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
08/02/2017
07/25/2018
03/07/2018
03/03/2021
Description
The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.31 and 7.x before 7.1.7, does not zero colorMap arrays before use. A specially crafted GIF image could use the uninitialized tables to read ~700 bytes from the top of the stack, potentially disclosing sensitive information.
Solution(s)
- redhat-upgrade-php
- redhat-upgrade-php-bcmath
- redhat-upgrade-php-cli
- redhat-upgrade-php-common
- redhat-upgrade-php-dba
- redhat-upgrade-php-debuginfo
- redhat-upgrade-php-devel
- redhat-upgrade-php-embedded
- redhat-upgrade-php-enchant
- redhat-upgrade-php-fpm
- redhat-upgrade-php-gd
- redhat-upgrade-php-intl
- redhat-upgrade-php-ldap
- redhat-upgrade-php-mbstring
- redhat-upgrade-php-mysql
- redhat-upgrade-php-mysqlnd
- redhat-upgrade-php-odbc
- redhat-upgrade-php-pdo
- redhat-upgrade-php-pgsql
- redhat-upgrade-php-process
- redhat-upgrade-php-pspell
- redhat-upgrade-php-recode
- redhat-upgrade-php-snmp
- redhat-upgrade-php-soap
- redhat-upgrade-php-xml
- redhat-upgrade-php-xmlrpc
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