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CVE-2016-5772

Published: 24 June 2016

Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted XML data that is mishandled in a wddx_deserialize call.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
precise
Released (5.3.10-1ubuntu3.24)
trusty
Released (5.5.9+dfsg-1ubuntu4.19)
upstream
Released (5.6.23)
wily Ignored
(end of life)
xenial Does not exist

Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=a44c89e8af7c2410f4bfc5e097be2a5d0639a60c

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

trusty Does not exist

upstream
Released (7.0.8)
wily Does not exist

xenial
Released (7.0.8-0ubuntu0.16.04.1)
Patches:

upstream: http://git.php.net/?p=php-src.git;a=commit;h=a44c89e8af7c2410f4bfc5e097be2a5d0639a60c

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