CVE-2016-9934

high-risk
Published 2017-01-04

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.

Do I need to act?

!
11.6% chance of exploitation in next 30 days
EPSS score — higher than 88% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (14)

Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php
Php

Affected Vendors

Php

References (20)

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
Third Party Advisory http://www.openwall.com/lists/oss-security/2016/12/12/2
Release Notes http://www.php.net/ChangeLog-5.php
Release Notes http://www.php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/94845
https://access.redhat.com/errata/RHSA-2018:1296
Vendor Advisory https://bugs.php.net/bug.php?id=73331
Vendor Advisory https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d
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
Third Party Advisory http://www.openwall.com/lists/oss-security/2016/12/12/2
Release Notes http://www.php.net/ChangeLog-5.php
Release Notes http://www.php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/94845
https://access.redhat.com/errata/RHSA-2018:1296
Vendor Advisory https://bugs.php.net/bug.php?id=73331
Vendor Advisory https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d
55
/ 100
high-risk
Severity 26/34 · High
Exploitability 11/34 · Low
Exposure 18/34 · Moderate