CVE-2020-7060

Published: 10 February 2020

When using certain mbstring functions to convert multibyte encodings, 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 function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.

Priority

Medium

CVSS 3 base score: 9.1

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr)
Released (5.5.9+dfsg-1ubuntu4.29+esm10)
Patches:
Upstream: https://github.com/microsoft/php-src/commit/31b5f3736519f3cb1af875f22f70423934a636d6
php7.0
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus)
Released (7.0.33-0ubuntu0.16.04.11)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

php7.2
Launchpad, Ubuntu, Debian
Upstream
Released (7.2.27)
Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver)
Released (7.2.24-0ubuntu0.18.04.3)
Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: http://git.php.net/?p=php-src.git;a=commit;h=2bcbc95f033c31b00595ed39f79c3a99b4ed0501
php7.3
Launchpad, Ubuntu, Debian
Upstream
Released (7.3.14)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(7.3.15-1)
Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: http://git.php.net/?p=php-src.git;a=commit;h=2bcbc95f033c31b00595ed39f79c3a99b4ed0501
Upstream: http://git.php.net/?p=php-src.git;a=commit;h=25ec7eb3463f34a2be666c6785d1c6b3cc89575e