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CVE-2016-4342

Published: 29 April 2016

ext/phar/phar_object.c in PHP before 5.5.32, 5.6.x before 5.6.18, and 7.x before 7.0.3 mishandles zero-length uncompressed data, which allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a crafted (1) TAR, (2) ZIP, or (3) PHAR archive.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
precise
Released (5.3.10-1ubuntu3.23)
trusty
Released (5.5.9+dfsg-1ubuntu4.17)
upstream
Released (5.6.18+dfsg-1)
wily
Released (5.6.11+dfsg-1ubuntu3.4)
xenial Does not exist

Patches:
upstream: https://git.php.net/?p=php-src.git;a=commit;h=13ad4d3e971807f9a58ab5933182907dc2958539

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

trusty Does not exist

upstream
Released (7.0.3-1)
wily Does not exist

xenial Not vulnerable
(7.0.4-7ubuntu2)
Patches:

upstream: https://git.php.net/?p=php-src.git;a=commit;h=13ad4d3e971807f9a58ab5933182907dc2958539

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H