National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-11143 Detail

Current Description

In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in ext/wddx/wddx.c.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3.0 legend)
Impact Score: 3.6
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): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://openwall.com/lists/oss-security/2017/07/10/6 Mailing List Patch Third Party Advisory
http://php.net/ChangeLog-5.php Release Notes Vendor Advisory
http://www.securityfocus.com/bid/99553
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=74145 Issue Tracking Patch Vendor Advisory
https://git.php.net/?p=php-src.git;a=commit;h=2aae60461c2ff7b7fbcdd194c789ac841d0747d7 Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.debian.org/security/2018/dsa-4081
https://www.tenable.com/security/tns-2017-12

Technical Details

Vulnerability Type (View All)

  • Use After Free (CWE-416)
  • Deserialization of Untrusted Data (CWE-502)

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)
5.6.30


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-11143
NVD Published Date:
07/10/2017
NVD Last Modified:
05/03/2018