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CVE-2021-21704

Published: 2 July 2021

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(), fetch() and others by returning invalid response data that is not parsed correctly by the driver. This can result in crashes, denial of service or potentially memory corruption.

Priority

Medium

CVSS 3 base score: 5.9

Status

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

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

trusty
Released (5.5.9+dfsg-1ubuntu4.29+esm14)
upstream Needs triage

xenial Does not exist

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

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (7.0.33-0ubuntu0.16.04.16+esm1)
php7.2
Launchpad, Ubuntu, Debian
bionic
Released (7.2.24-0ubuntu0.18.04.8)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

php7.4
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (7.4.3-4ubuntu2.5)
groovy
Released (7.4.9-1ubuntu1.2)
hirsute
Released (7.4.16-1ubuntu2.1)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream
Released (7.4.21)
xenial Does not exist

Patches:
upstream: https://github.com/php/php-src/commit/286162e9b03071c4308e7e92597bca4239f49d89
upstream: https://github.com/php/php-src/commit/bcbf8aa0c96d8d9e81ec3428232485555fae0b37
upstream: https://github.com/php/php-src/commit/08da7c73726f7b86b67d6f0ff87c73c585a7834a
upstream: https://github.com/php/php-src/commit/67afa32541ebc4abbf633cb1e7e879b2fbb616ad
php8.0
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish
Released (8.0.8-1)
jammy Does not exist

trusty Does not exist

upstream
Released (8.0.8)
xenial Does not exist

php8.1
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Not vulnerable
(8.1.0-1)
precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist