PHP 5.6.x < 5.6.18 Multiple Vulnerabilities

critical Web App Scanning Plugin ID 98807

Synopsis

PHP 5.6.x < 5.6.18 Multiple Vulnerabilities

Description

According to its banner, the version of PHP running on the remote web server is 5.6.x prior to 5.6.18. It is, therefore, affected by multiple vulnerabilities :

- The Perl-Compatible Regular Expressions (PCRE) library is affected by multiple vulnerabilities related to the handling of regular expressions, subroutine calls, and binary files. A remote attacker can exploit these to cause a denial of service, obtain sensitive information, or have other unspecified impact. (CVE-2015-8383, CVE-2015-8386, CVE-2015-8387, CVE-2015-8389, CVE-2015-8390, CVE-2015-8391, CVE-2015-8393, CVE-2015-8394)

- A flaw exists in file ext/standard/exec.c in the escapeshellcmd() and escapeshellarg() functions due to the program truncating NULL bytes in strings. A remote attacker can exploit this to bypass restrictions.

- A flaw exists in file ext/standard/streamsfuncs.c in the stream_get_meta_data() function due to a failure to restrict writing user-supplied data to fields not already set. A remote attacker can exploit this to falsify the output of the function, resulting in the insertion of malicious metadata.

- A type confusion error exists in file ext/wddx/wddx.c in the php_wddx_pop_element() function when deserializing WDDX packets. A remote attacker can exploit this to have an unspecified impact.

- A flaw exists in file ext/phar/phar_object.c in the PharFileInfo::getContent() method due to the use of uninitialized memory causing improper validation of user-supplied input. A remote attacker can exploit this to corrupt memory, resulting in a denial of service or the execution of arbitrary code.

- A NULL pointer dereference flaw exists in file ext/phar/tar.c in the phar_tar_setupmetadata() function when parsing metadata from a crafted TAR file. A remote attacker can exploit this to cause a denial of service.

- An integer overflow condition exists in file ext/standard/iptc.c in the iptcembed() function due to improper validation of user-supplied input. A remote attacker can exploit this to cause a heap-based buffer overflow, resulting in a denial of service or the execution of arbitrary code.

- An overflow condition exists in file ext/phar/tar.c in the phar_parse_tarfile() function due to improper validation of user-supplied input when decompressing TAR files. A remote attacker can exploit this to cause a stack-based buffer overflow, resulting in a denial of service or the execution of arbitrary code.

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

Solution

Upgrade to PHP version 5.6.18 or later.

See Also

http://php.net/ChangeLog-5.php#5.6.18

Plugin Details

Severity: Critical

ID: 98807

Type: remote

Published: 1/9/2019

Updated: 3/14/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2016-2554

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-2015-8383

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/2/2015

Vulnerability Publication Date: 12/2/2015

Reference Information

CVE: CVE-2015-8383, CVE-2015-8386, CVE-2015-8387, CVE-2015-8389, CVE-2015-8390, CVE-2015-8391, CVE-2015-8393, CVE-2015-8394, CVE-2016-2554, CVE-2016-4342

BID: 79810, 82990, 83353, 89154

CWE: 119, 120, 121, 185, 189, 190, 200, 407, 665, 908

OWASP: 2010-A1, 2010-A6, 2013-A1, 2013-A5, 2013-A9, 2017-A1, 2017-A6, 2017-A9, 2021-A1, 2021-A3, 2021-A6

WASC: Buffer Overflow, Improper Input Handling, Information Leakage, Integer Overflows

CAPEC: 10, 100, 101, 104, 108, 109, 110, 116, 120, 123, 13, 135, 136, 14, 153, 169, 182, 209, 22, 224, 23, 230, 231, 24, 250, 261, 267, 28, 285, 287, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 3, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 31, 310, 312, 313, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 42, 43, 44, 45, 46, 47, 472, 473, 497, 508, 52, 53, 573, 574, 575, 576, 577, 588, 59, 60, 616, 63, 64, 643, 646, 651, 67, 7, 71, 72, 73, 78, 79, 8, 80, 81, 83, 85, 88, 9, 92

DISA STIG: APSC-DV-000460, APSC-DV-002560, APSC-DV-002590, APSC-DV-002630

HIPAA: 164.306(a)(1), 164.306(a)(2)

ISO: 27001-A.12.6.1, 27001-A.14.2.5

NIST: sp800_53-CM-6b, sp800_53-SI-10, sp800_53-SI-15, sp800_53-SI-16

OWASP API: 2019-API7, 2019-API8, 2023-API8

OWASP ASVS: 4.0.2-14.2.1, 4.0.2-5.1.3, 4.0.2-8.3.4

PCI-DSS: 3.2-6.2, 3.2-6.5, 3.2-6.5.2, 3.2-6.5.8