National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-7398 Detail

Current Description

A type confusion vulnerability in the merge_param() function of php_http_params.c in PHP's pecl-http extension 3.1.0beta2 (PHP 7) and earlier as well as 2.6.0beta2 (PHP 5) and earlier allows attackers to crash PHP and possibly execute arbitrary code via crafted HTTP requests.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.1 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3.1 legend)
Impact Score: 5.9
Exploitability Score: 3.9


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

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugs.php.net/bug.php?id=73055 Exploit Mailing List Vendor Advisory
https://bugs.php.net/bug.php?id=73055&edit=1 Exploit Vendor Advisory
https://github.com/m6w6/ext-http/commit/17137d4ab1ce81a2cee0fae842340a344ef3da83 Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Incorrect Type Conversion or Cast (CWE-704)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:php:ext-http:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.5.6
 cpe:2.3:a:php:ext-http:2.6.0:-:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:ext-http:2.6.0:beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:ext-http:2.6.0:beta2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:ext-http:2.6.0:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:ext-http:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
3.0.0
Up to (including)
3.0.1
 cpe:2.3:a:php:ext-http:3.1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:ext-http:3.1.0:beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:ext-http:3.1.0:beta2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:ext-http:3.1.0:rc1:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7398
NVD Published Date:
09/06/2019
NVD Last Modified:
09/10/2019