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CVE-2019-11043

Published: 24 October 2019

In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.

Notes

AuthorNote
sbeattie
PEAR issues should go against php-pear as of xenial

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

trusty
Released (5.5.9+dfsg-1ubuntu4.29+esm6)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial Does not exist

Patches:
upstream: https://github.com/microsoft/php-src/commit/c69bcb212b37900fd61daaf38762e4974cb4dcc9



php7.0
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (7.0.33-0ubuntu0.16.04.7)
Patches:

upstream: http://git.php.net/?p=php-src.git;a=commit;h=ab061f95ca966731b1c84cf5b7b20155c0a1c06a


php7.2
Launchpad, Ubuntu, Debian
bionic
Released (7.2.24-0ubuntu0.18.04.1)
disco
Released (7.2.24-0ubuntu0.19.04.1)
eoan Does not exist

trusty Does not exist

upstream
Released (7.2.24)
xenial Does not exist

Patches:


upstream: http://git.php.net/?p=php-src.git;a=commit;h=ab061f95ca966731b1c84cf5b7b20155c0a1c06a

php7.3
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan
Released (7.3.11-0ubuntu0.19.10.1)
trusty Does not exist

upstream
Released (7.3.11)
xenial Does not exist

Patches:



upstream: http://git.php.net/?p=php-src.git;a=commit;h=19e17d3807e6cc0b1ba9443ec5facbd33a61f8fe

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H