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CVE-2020-7059

Published: 10 February 2020

When using fgetss() function to read data with stripping tags, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause this function to read past the allocated buffer. This may lead to information disclosure or crash.

Priority

Medium

Cvss 3 Severity Score

9.1

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
trusty
Released (5.5.9+dfsg-1ubuntu4.29+esm10)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial Does not exist

bionic Does not exist

eoan Does not exist

Patches:
upstream: https://github.com/microsoft/php-src/commit/9db5a8f58dd26d547cf530beeb41155d97e700f0



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

eoan Does not exist

trusty Does not exist

xenial
Released (7.0.33-0ubuntu0.16.04.11)
upstream Needs triage

php7.2
Launchpad, Ubuntu, Debian
bionic
Released (7.2.24-0ubuntu0.18.04.3)
eoan Does not exist

trusty Does not exist

upstream
Released (7.2.27)
xenial Does not exist

Patches:

upstream: http://git.php.net/?p=php-src.git;a=commit;h=0f79b1bf301f455967676b5129240140c5c45b09


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

eoan
Released (7.3.11-0ubuntu0.19.10.3)
trusty Does not exist

upstream
Released (7.3.14)
xenial Does not exist

Patches:


upstream: http://git.php.net/?p=php-src.git;a=commit;h=0f79b1bf301f455967676b5129240140c5c45b09
upstream: http://git.php.net/?p=php-src.git;a=commit;h=25ec7eb3463f34a2be666c6785d1c6b3cc89575e

Severity score breakdown

Parameter Value
Base score 9.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H