National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-6834 Detail

Current Description

Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://php.net/ChangeLog-5.php
http://www.debian.org/security/2015/dsa-3358
http://www.securityfocus.com/bid/76649
http://www.securitytracker.com/id/1033548
https://bugs.php.net/bug.php?id=70172 Exploit
https://bugs.php.net/bug.php?id=70365 Exploit
https://bugs.php.net/bug.php?id=70366 Exploit
https://security.gentoo.org/glsa/201606-10

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
5.4.44
 cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.17:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.18:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.19:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.21:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.22:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.23:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.24:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.25:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.26:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.27:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.28:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-6834
NVD Published Date:
05/16/2016
NVD Last Modified:
11/03/2017