CVE-2016-7479

Published: 11 January 2017

In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
php5 Launchpad, Ubuntu, Debian	precise	Released (5.3.10-1ubuntu3.26)
	trusty	Released (5.5.9+dfsg-1ubuntu4.21)
	upstream	Needs triage
	xenial	Does not exist
	yakkety	Does not exist
	Patches: upstream: http://git.php.net/?p=php-src.git;a=commit;h=0426b916df396a23e5c34514e4f2f0627efdcdf0
php7.0 Launchpad, Ubuntu, Debian	precise	Does not exist
	trusty	Does not exist
	upstream	Released (7.0.15)
	xenial	Released (7.0.15-0ubuntu0.16.04.2)
	yakkety	Released (7.0.15-0ubuntu0.16.10.2)
	Patches: upstream: http://git.php.net/?p=php-src.git;a=commit;h=0426b916df396a23e5c34514e4f2f0627efdcdf0 upstream: http://git.php.net/?p=php-src.git;a=commit;h=b47c49d7a00bc34d7e0f3d72732f66e904da6fa7

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

References

Bugs

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