WordPress up to 4.7.0 wp-mail.php 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in WordPress. This vulnerability affects unknown code of the file wp-mail.php. The manipulation leads to 7pk security. This vulnerability is documented as CVE-2017-5491. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in WordPress (Content Management System) and classified as critical. This issue affects an unknown code of the file wp-mail.php. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, and integrity. The summary by CVE is:

wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name.

The bug was discovered 01/11/2017. The weakness was released 01/15/2017 by Security Team with WordPress Security Team (oss-sec). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2017-5491 since 01/14/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.

By approaching the search of inurl:wp-mail.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 96606 (WordPress < 4.7.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175955 (Debian Security Update for wordpress (DSA 3779-1)).

Upgrading to version 3.7.17, 3.8.17, 3.9.15, 4.0.14, 4.1.14, 4.2.11, 4.3.7, 4.4.6, 4.5.5, 4.6.2 or 4.7.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96606) and SecurityFocus (BID 95406†). Entries connected to this vulnerability are available at VDB-95347, VDB-95348, VDB-95349 and VDB-95350. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96606
Nessus Name: WordPress < 4.7.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703779
OpenVAS Name: Debian Security Advisory DSA 3779-1 (wordpress - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WordPress 3.7.17/3.8.17/3.9.15/4.0.14/4.1.14/4.2.11/4.3.7/4.4.6/4.5.5/4.6.2/4.7.1
Patch: github.com

Timelineinfo

01/11/2017 🔍
01/11/2017 +0 days 🔍
01/11/2017 +0 days 🔍
01/14/2017 +3 days 🔍
01/14/2017 +0 days 🔍
01/15/2017 +1 days 🔍
01/15/2017 +0 days 🔍
01/18/2017 +3 days 🔍
11/01/2022 +2113 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: 061e8788814ac87706d8b95688df276fe3c8596a
Researcher: Security Team
Organization: WordPress Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5491 (🔍)
GCVE (CVE): GCVE-0-2017-5491
GCVE (VulDB): GCVE-100-95351

OVAL: 🔍

SecurityFocus: 95406 - WordPress Prior to 4.7.1 Security Bypass Vulnerability
SecurityTracker: 1037591

See also: 🔍

Entryinfo

Created: 01/15/2017 10:40
Updated: 11/01/2022 07:15
Changes: 01/15/2017 10:40 (78), 06/08/2020 09:11 (4), 11/01/2022 07:09 (5), 11/01/2022 07:15 (1)
Complete: 🔍
Cache ID: 216:C2A:103

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