Fedora 35: 2021-02d218c3be Critical: PHP Privilege Escalation

PHP is an HTML-embedded scripting language. PHP attempts to make it

easy for developers to write dynamically generated web pages. PHP also

offers built-in database integration for several commercial and

non-commercial database management systems, so writing a

database-enabled webpage with PHP is fairly simple. The most common

use of PHP coding is probably as a replacement for CGI scripts.

**PHP version 8.0.12** (21 Oct 2021) **CLI:** * Fixed bug php#81496 (Server

logs incorrect request method). (lauri) **Core:** * Fixed bug php#81435

(Observer current_observed_frame may point to an old (overwritten) frame). (Bob)

* Fixed bug php#81380 (Observer may not be initialized properly). (krakjoe)

**DOM:** * Fixed bug php#81433 (DOMElement::setIdAttribute() called twice may

remove ID). (Viktor Volkov) **FFI:** * Fixed bug php#79576 ("TYPE *" shows

unhelpful message when type is not defined). (Dmitry) **FPM:** * Fixed bug

php#81026 (PHP-FPM oob R/W in root process leading to privilege escalation)

(**CVE-2021-21703**). (Jakub Zelenka) **Fileinfo:** * Fixed bug php#78987

(High memory usage during encoding detection). (Anatol) **Filter:** * Fixed

bug php#61700 (FILTER_FLAG_IPV6/FILTER_FLAG_NO_PRIV|RES_RANGE failing). (cmb,

Nikita) **Opcache:** * Fixed bug php#81472 (Cannot support large linux

major/minor device number when read /proc/self/maps). (Lin Yang)

**Reflection:** * ReflectionAttribute is no longer final. (sasezaki) **SPL:**

* Fixed bug php#80663 (Recursive SplFixedArray::setSize() may cause double-free). (cmb, Nikita, Tyson Andre) * Fixed bug php#81477 (LimitIterator +

SplFileObject regression in 8.0.1). (cmb) **Standard:** * Fixed bug php#69751

(Change Error message of sprintf/printf for missing/typo position specifier).

(Aliaksandr Bystry) **Streams:** * Fixed bug php#81475 (stream_isatty emits

warning with attached stream wrapper). (cmb) **XML:** * Fixed bug php#70962

(XML_OPTION_SKIP_WHITE strips embedded whitespace). (Aliaksandr Bystry, cmb)

* Tue Oct 19 2021 Remi Collet - 8.0.12-2

- dba: enable qdbm backend

* Tue Oct 19 2021 Remi Collet - 8.0.12-1

- Update to 8.0.12 - https://www.php.net/releases/8_0_12.php

- build using system libxcrypt

[ 1 ] Bug #2016535 - CVE-2021-21703 php: Local privilege escalation via PHP-FPM

https://bugzilla.redhat.com/show_bug.cgi?id=2016535

su -c 'dnf upgrade --advisory FEDORA-2021-02d218c3be' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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