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PHP 5.6.x < 5.6.6 Multiple Vulnerabilities (GHOST)

critical Web App Scanning Plugin ID 98829

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Synopsis

PHP 5.6.x < 5.6.6 Multiple Vulnerabilities (GHOST)

Description

According to its banner, the version of PHP 5.6.x installed on the remote host is prior to 5.6.6. It is, therefore, affected by multiple vulnerabilities :

 - A heap-based buffer overflow flaw in the GNU C Library (glibc) due to improperly validating user-supplied input in the glibc functions __nss_hostname_digits_dots(), gethostbyname(), and gethostbyname2(). This allows a remote attacker to cause a buffer overflow, resulting in a denial of service condition or the execution of arbitrary code. (CVE-2015-0235)

 - A use-after-free flaw exists in the function php_date_timezone_initialize_from_hash() within the 'ext/date/php_date.c' script. An attacker can exploit this to access sensitive information or crash applications linked to PHP. (CVE-2015-0273)

 - An XML External Entity (XXE) flaw exists in the PHP-FPM component due to improper parsing of XML data. A remote attacker can exploit this, via specially crafted XML data, to disclose sensitive information or cause a denial of service. (CVE-2015-8866)

Note that the scanner has not attempted to exploit these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to PHP version 5.6.6 or later.

See Also

http://php.net/ChangeLog-5.php#5.6.6

http://www.nessus.org/u?c7a6ddbd

https://bugs.php.net/bug.php?id=68925

https://bugs.php.net/bug.php?id=68942

Plugin Details

Severity: Critical

ID: 98829

Type: remote

Published: 1/9/2019

Updated: 3/14/2023

Scan Template: api, basic, full, pci, scan

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2015-0235

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

CVSS Score Source: CVE-2014-9705

Vulnerability Information

CPE: cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/30/2015

Vulnerability Publication Date: 3/30/2015

Reference Information

CVE: CVE-2014-9705, CVE-2015-0235, CVE-2015-0273, CVE-2015-8866

BID: 73031, 72325, 72701, 87470