CVE-2015-2787

CVE Details

Release Date:	2015-03-02
Impact:	Moderate	What is this?

Description

Use-after-free vulnerability in the process_nested_data function inext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.

See more information about CVE-2015-2787 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	4.0
Vector String:	AV:N/AC:H/Au:N/C:P/I:N/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (php)	ELSA-2015-1218	2015-07-09
Oracle Linux version 6 (php54)	ELSA-2015-1066	2016-02-04
Oracle Linux version 6 (php54-php)	ELSA-2015-1066	2016-02-04
Oracle Linux version 6 (php54-php-pecl-zendopcache)	ELSA-2015-1066	2016-02-04
Oracle Linux version 6 (php55)	ELSA-2015-1053	2016-02-04
Oracle Linux version 6 (php55-php)	ELSA-2015-1053	2016-02-04
Oracle Linux version 7 (php)	ELSA-2015-1135	2015-06-23
Oracle Linux version 7 (php54)	ELSA-2015-1066	2016-02-04
Oracle Linux version 7 (php54-php)	ELSA-2015-1066	2016-02-04
Oracle Linux version 7 (php54-php-pecl-zendopcache)	ELSA-2015-1066	2016-02-04
Oracle Linux version 7 (php55)	ELSA-2015-1053	2016-02-04
Oracle Linux version 7 (php55-php)	ELSA-2015-1053	2016-02-04