Linux Distros Unpatched Vulnerability : CVE-2015-6831

high Nessus Plugin ID 219009

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.

- Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject, (2) SplObjectStorage, and (3) SplDoublyLinkedList, which are mishandled during unserialization.
(CVE-2015-6831)

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-2015-6831

Plugin Details

Severity: High

ID: 219009

File Name: unpatched_CVE_2015_6831.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 8/18/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2015-6831

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 8/17/2015

Reference Information

CVE: CVE-2015-6831