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7.2	$0-$5k	0.00

A vulnerability was found in WordPress (Content Management System) and classified as critical. Affected by this issue is the function sanitize_file_name of the component File Name Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

WordPress before 4.5.3 allows remote attackers to bypass the sanitize_file_name protection mechanism via unspecified vectors.

The weakness was released 06/18/2016 by Security Team with WordPress Security Team as WordPress 4.5.3 Maintenance and Security Release as confirmed news (Website). The advisory is available at wordpress.org. The public release was coordinated with the vendor. This vulnerability is handled as CVE-2016-5839 since 06/23/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project. The advisory points out:

WordPress versions 4.5.2 and earlier are affected by several security issues (...)

The vulnerability scanner Nessus provides a plugin with the ID 91840 (FreeBSD : wordpress -- multiple vulnerabilities (bfcc23b6-3b27-11e6-8e82-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175805 (Debian Security Update for wordpress (DSA 3639-1)).

Upgrading to version 4.5.3 eliminates this vulnerability. The upgrade is hosted for download at wordpress.org. A possible mitigation has been published immediately after the disclosure of the vulnerability. The news contains the following remark:

In addition to the security issues above, WordPress 4.5.3 fixes 17 bugs from 4.5, 4.5.1 and 4.5.2.

The vulnerability is also documented in the vulnerability database at Tenable (91840). Entries connected to this vulnerability are available at 87564, 88099, 88100 and 88101.

Productinfo

Type

• Content Management System

Name

• WordPress

Version

• 0.7.0
• 0.7.1
• 1.0
• 1.0 rc1
• 1.0.1
• 1.0.1 rc1
• 1.0.2
• 1.1.1
• 1.2
• 1.2 Beta
• 1.2 rc1
• 1.2 rc2
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.3
• 1.3.2
• 1.3.3
• 1.5
• 1.5.1
• 1.5.1.1
• 1.5.1.2
• 1.5.1.3
• 1.5.2
• 2.0
• 2.0 rc1
• 2.0.1
• 2.0.1 rc1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.5 Beta1
• 2.0.5 rc1
• 2.0.6
• 2.0.6 Beta1
• 2.0.6 rc1
• 2.0.6 rc2
• 2.0.7
• 2.0.7 rc1
• 2.0.7 rc2
• 2.0.8
• 2.0.8 rc1
• 2.0.9
• 2.0.9 Beta1
• 2.0.9 rc1
• 2.0.10
• 2.0.10 rc1
• 2.0.10 rc2
• 2.0.10 rc3
• 2.0.11
• 2.1
• 2.1 Beta1
• 2.1 Beta2
• 2.1 Beta3
• 2.1 Beta4
• 2.1 rc1
• 2.1 rc2
• 2.1.1
• 2.1.1 Beta1
• 2.1.1 rc1
• 2.1.2
• 2.1.3
• 2.2
• 2.2 rc1
• 2.2 rc2
• 2.2.1
• 2.2.1 rc1
• 2.2.1 rc2
• 2.2.2
• 2.2.3
• 2.3
• 2.3 Beta1
• 2.3 Beta2
• 2.3 Beta3
• 2.3 rc1
• 2.3.1
• 2.3.1 Beta1
• 2.3.1 rc1
• 2.3.2
• 2.6
• 2.6 Beta1
• 2.6 Beta2
• 2.6 Beta3
• 2.6 rc1
• 2.6.1
• 2.6.1 Beta1
• 2.6.1 Beta2
• 2.6.2
• 2.6.3
• 2.6.5
• 2.7
• 2.7 Beta1
• 2.7 Beta2
• 2.7 Beta3
• 2.7 rc1
• 2.7 rc2
• 2.7.1
• 2.8
• 2.8 Beta1
• 2.8 Beta2
• 2.8 rc1
• 2.8.1
• 2.8.1 Beta1
• 2.8.1 Beta2
• 2.8.1 rc1
• 2.8.2
• 2.8.3
• 2.8.4
• 2.8.4:a
• 2.8.5
• 2.8.5 Beta1
• 2.8.5.1
• 2.8.5.2
• 2.8.6
• 2.9
• 2.9 Beta1
• 2.9 Beta2
• 2.9 rc1
• 2.9.1
• 2.9.1 Beta1
• 2.9.1 rc1
• 2.9.1.1
• 2.9.2
• 3.0
• 3.0 Beta1
• 3.0 Beta2
• 3.0 rc1
• 3.0 rc2
• 3.0 rc3
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.1
• 3.1 Beta1
• 3.1 Beta2
• 3.1 rc1
• 3.1 rc2
• 3.1 rc3
• 3.1 rc4
• 3.1.1
• 3.1.1 rc1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.2.0
• 3.2.1
• 3.2.2
• 3.3
• 3.3 Beta1
• 3.3 Beta2
• 3.3 Beta3
• 3.3 Beta4
• 3.3 rc1
• 3.3 rc2
• 3.3 rc3
• 3.3.1
• 3.3.2

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 91840
Nessus Name: FreeBSD : wordpress -- multiple vulnerabilities (bfcc23b6-3b27-11e6-8e82-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100087
OpenVAS Name: Fedora Update for wordpress FEDORA-2016-7db496f6f2
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: WordPress 4.5.3

Timelineinfo

06/18/2016 🔍
06/18/2016 +0 days 🔍
06/22/2016 +4 days 🔍
06/23/2016 +1 days 🔍
06/23/2016 +0 days 🔍
06/24/2016 +1 days 🔍
06/27/2016 +3 days 🔍
06/29/2016 +2 days 🔍
05/08/2019 +1043 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: WordPress 4.5.3 Maintenance and Security Release
Researcher: Security Team
Organization: WordPress Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2016-5839 (🔍)
OVAL: 🔍

SecurityTracker: 1036163
SecurityFocus: 91364 - WordPress Multiple Unspecified Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 06/24/2016 10:52
Updated: 05/08/2019 13:07
Changes: 06/24/2016 10:52 (77), 05/08/2019 13:07 (15)
Complete: 🔍

Discussion

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