National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-6296 Detail

Current Description

Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.

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): Insufficient_Info
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://git.php.net/?p=php-src.git;a=commit;h=e6c48213c22ed50b2b987b479fcc1ac709394caa Issue Tracking
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
http://openwall.com/lists/oss-security/2016/07/24/2 Mailing List
http://php.net/ChangeLog-5.php Release Notes
http://php.net/ChangeLog-7.php Release Notes
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.debian.org/security/2016/dsa-3631
http://www.securityfocus.com/bid/92095 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036430
http://www.ubuntu.com/usn/USN-3059-1
https://bugs.php.net/72606 Exploit Issue Tracking
https://security.gentoo.org/glsa/201611-22
https://support.apple.com/HT207170

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

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)
5.5.37
 cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*
     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)
 cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.21:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.22:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.23:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-6296
NVD Published Date:
07/25/2016
NVD Last Modified:
01/04/2018