Vulnerability CVE-2016-9934
Published: 2017-01-04   Modified: 2017-01-05

Description:
ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
PHP -> PHP 

 References:
http://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html
http://www.openwall.com/lists/oss-security/2016/12/12/2
http://www.php.net/ChangeLog-5.php
http://www.php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/94845
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73331
https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d
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