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CVE-2017-11143

Date: July 10, 2017

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.

Language: C

Severity Score

Related Resources (13)

https://www.tenable.com/security/tns-2017-12
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.debian.org/security/2018/dsa-4081
https://access.redhat.com/security/cve/CVE-2017-11143
http://openwall.com/lists/oss-security/2017/07/10/6
https://nvd.nist.gov/vuln/detail/CVE-2017-11143
http://php.net/ChangeLog-5.php
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-11143
https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2aae60461c2ff7b7fbcdd194c789ac841d0747d7
http://www.securityfocus.com/bid/99553
https://bugs.php.net/bug.php?id=74145
https://access.redhat.com/errata/RHSA-2018:1296
https://www.mend.io/vulnerability-database/CVE-2017-11143

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Use After Free

CWE-416

CVSS v3.1

Base Score:
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

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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