Vulnerability CVE-2018-14884

Vulnerability Name:

CVE-2018-14884 (CCN-147896)

Assigned:

2018-07-19

Published:

2018-07-19

Updated:

2019-08-19

Summary:

An issue was discovered in PHP 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1. Inappropriately parsing an HTTP response leads to a segmentation fault because http_header_value in ext/standard/http_fopen_wrapper.c can be a NULL value that is mishandled in an atoi call.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-476

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-14884

Source: CCN
Type: PHP Web site
Version 7.2.8

Source: CONFIRM
Type: Vendor Advisory
http://php.net/ChangeLog-7.php

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2519

Source: CONFIRM
Type: Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugs.php.net/bug.php?id=75535

Source: XF
Type: UNKNOWN
php-cve201814884-dos(147896)

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20181107-0003/

Vulnerable Configuration:

Configuration 1:

cpe:/a:php:php:*:*:*:*:*:*:*:* (Version >= 7.0.0 and < 7.0.27)

OR cpe:/a:php:php:*:*:*:*:*:*:*:* (Version >= 7.1.0 and < 7.1.13)

OR cpe:/a:php:php:*:*:*:*:*:*:*:* (Version >= 7.2.0 and < 7.2.1)

Configuration 2:

cpe:/a:netapp:storage_automation_store:-:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:php:php:7.2.7:-:*:*:*:*:*:*

OR cpe:/a:php:php:7.1.19:-:*:*:*:*:*:*

OR cpe:/a:php:php:7.0.30:*:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.36:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:201814884000	V	CVE-2018-14884 on Ubuntu 18.04 LTS (bionic) - medium.	2018-08-03
oval:com.ubuntu.xenial:def:2018148840000000	V	CVE-2018-14884 on Ubuntu 16.04 LTS (xenial) - medium.	2018-08-03
oval:com.ubuntu.trusty:def:201814884000	V	CVE-2018-14884 on Ubuntu 14.04 LTS (trusty) - medium.	2018-08-03
oval:com.ubuntu.xenial:def:201814884000	V	CVE-2018-14884 on Ubuntu 16.04 LTS (xenial) - medium.	2018-08-03
oval:com.ubuntu.bionic:def:2018148840000000	V	CVE-2018-14884 on Ubuntu 18.04 LTS (bionic) - medium.	2018-08-03

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