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CVE-2016-7124

Published: 11 September 2016

ext/standard/var_unserializer.c in PHP before 5.6.25 and 7.x before 7.0.10 mishandles certain invalid objects, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that leads to a (1) __destruct call or (2) magic method call.

Priority

Low

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
precise
Released (5.3.10-1ubuntu3.25)
trusty
Released (5.5.9+dfsg-1ubuntu4.20)
upstream
Released (5.6.25)
xenial Does not exist

Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=448c9be157f4147e121f1a2a524536c75c9c6059
upstream: http://git.php.net/?p=php-src.git;a=commit;h=639f7fde6a51c23d7c670358fbcb777ac1a143f3



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

trusty Does not exist

upstream
Released (7.0.10)
xenial
Released (7.0.8-0ubuntu0.16.04.3)
Patches:


upstream: http://git.php.net/?p=php-src.git;a=commit;h=2135fdef9b588a34f8805b2bbf10704e36163d5a
upstream: http://git.php.net/?p=php-src.git;a=commit;h=61f2f5a0f760157f9c9d32d7d3df2be47a73e74d
upstream: http://git.php.net/?p=php-src.git;a=commit;h=e0f9fbdfa61012101de7f4a8653ca5538c404a71

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H