WordPress up to 4.8.1 ZipArchive/PclZip path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k2.72

Summaryinfo

A vulnerability labeled as critical has been found in WordPress. Affected is an unknown function of the component ZipArchive/PclZip. The manipulation results in path traversal. This vulnerability is known as CVE-2017-14719. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in WordPress (Content Management System). Affected is an unknown part of the component ZipArchive/PclZip. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

Before version 4.8.2, WordPress was vulnerable to a directory traversal attack during unzip operations in the ZipArchive and PclZip components.

The bug was discovered 09/19/2017. The weakness was published 09/23/2017 by Security Team (Alex) with WordPress Security Team (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2017-14719 since 09/23/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 103793 (Debian DSA-3997-1 : wordpress - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176177 (Debian Security Update for wordpress (DSA 3997-1)).

Upgrading to version 3.7.22, 3.8.22, 3.9.20, 4.0.19, 4.1.19, 4.2.16, 4.3.12, 4.4.11, 4.5.10, 4.6.7, 4.7.6 or 4.8.2 eliminates this vulnerability. The upgrade is hosted for download at core.trac.wordpress.org. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103793) and SecurityFocus (BID 100912†). Similar entries are available at VDB-107039, VDB-107041, VDB-107042 and VDB-107043. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103793
Nessus Name: Debian DSA-3997-1 : wordpress - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53378
OpenVAS Name: Debian Security Advisory DSA 3997-1 (wordpress - security update)
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 3.7.22/3.8.22/3.9.20/4.0.19/4.1.19/4.2.16/4.3.12/4.4.11/4.5.10/4.6.7/4.7.6/4.8.2

Timelineinfo

09/19/2017 🔍
09/19/2017 +0 days 🔍
09/23/2017 +4 days 🔍
09/23/2017 +0 days 🔍
09/23/2017 +0 days 🔍
09/24/2017 +1 days 🔍
10/10/2017 +16 days 🔍
10/12/2017 +2 days 🔍
01/14/2021 +1190 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: 41457⛔
Researcher: Security Team (Alex)
Organization: WordPress Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14719 (🔍)
GCVE (CVE): GCVE-0-2017-14719
GCVE (VulDB): GCVE-100-107040

OVAL: 🔍

SecurityFocus: 100912 - WordPress Prior to 4.8.2 Multiple Input Validation Security Vulnerabilities
SecurityTracker: 1039553

See also: 🔍

Entryinfo

Created: 09/24/2017 09:44
Updated: 01/14/2021 08:23
Changes: 09/24/2017 09:44 (82), 06/07/2020 21:16 (4), 01/14/2021 08:23 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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