Linux Distros Unpatched Vulnerability : CVE-2016-9936

critical Nessus Plugin ID 220131

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted serialized data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6834.
(CVE-2016-9936)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2016-9936

Plugin Details

Severity: Critical

ID: 220131

File Name: unpatched_CVE_2016_9936.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 8/18/2025

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2016-9936

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:php-mbstring, p-cpe:/a:redhat:enterprise_linux:php-embedded, p-cpe:/a:centos:centos:php-soap, p-cpe:/a:redhat:enterprise_linux:php-fpm, p-cpe:/a:centos:centos:php-xmlrpc, p-cpe:/a:redhat:enterprise_linux:php-mysql, p-cpe:/a:redhat:enterprise_linux:php-xml, p-cpe:/a:redhat:enterprise_linux:php-bcmath, p-cpe:/a:centos:centos:php-dba, p-cpe:/a:redhat:enterprise_linux:php-cli, p-cpe:/a:centos:centos:php-gd, p-cpe:/a:redhat:enterprise_linux:php-devel, p-cpe:/a:redhat:enterprise_linux:php-enchant, p-cpe:/a:centos:centos:php-recode, p-cpe:/a:centos:centos:php-pspell, p-cpe:/a:centos:centos:php-embedded, p-cpe:/a:centos:centos:php-xml, p-cpe:/a:redhat:enterprise_linux:php, p-cpe:/a:centos:centos:php-imap, p-cpe:/a:centos:centos:php-devel, p-cpe:/a:redhat:enterprise_linux:php-recode, p-cpe:/a:centos:centos:php-pgsql, p-cpe:/a:redhat:enterprise_linux:php-tidy, cpe:/o:redhat:enterprise_linux:5, p-cpe:/a:redhat:enterprise_linux:php-gd, p-cpe:/a:redhat:enterprise_linux:php-mysqlnd, p-cpe:/a:redhat:enterprise_linux:php-ldap, p-cpe:/a:redhat:enterprise_linux:php-snmp, p-cpe:/a:centos:centos:php-snmp, p-cpe:/a:redhat:enterprise_linux:php-imap, p-cpe:/a:redhat:enterprise_linux:php-odbc, p-cpe:/a:redhat:enterprise_linux:php-xmlrpc, p-cpe:/a:centos:centos:php-mbstring, p-cpe:/a:centos:centos:php-mysql, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:php, p-cpe:/a:centos:centos:php-odbc, p-cpe:/a:centos:centos:php-pdo, p-cpe:/a:redhat:enterprise_linux:php-common, p-cpe:/a:redhat:enterprise_linux:php-intl, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:php-cli, p-cpe:/a:redhat:enterprise_linux:php-dba, p-cpe:/a:redhat:enterprise_linux:php-soap, p-cpe:/a:redhat:enterprise_linux:php53, p-cpe:/a:centos:centos:php-process, p-cpe:/a:centos:centos:php-tidy, p-cpe:/a:centos:centos:php-intl, p-cpe:/a:centos:centos:php-mysqlnd, p-cpe:/a:centos:centos:php-fpm, p-cpe:/a:redhat:enterprise_linux:php-pdo, p-cpe:/a:centos:centos:php-common, p-cpe:/a:centos:centos:php-enchant, p-cpe:/a:centos:centos:php53, p-cpe:/a:redhat:enterprise_linux:php-pgsql, p-cpe:/a:redhat:enterprise_linux:php-process, p-cpe:/a:centos:centos:php-ldap, p-cpe:/a:centos:centos:php-zts, p-cpe:/a:centos:centos:php-bcmath, p-cpe:/a:redhat:enterprise_linux:php-pspell, p-cpe:/a:redhat:enterprise_linux:php-zts, cpe:/o:redhat:enterprise_linux:6

Required KB Items: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 12/12/2016

Reference Information

CVE: CVE-2016-9936