SupportCandy Plugin up to 2.0.0 on WordPress File Upload unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in SupportCandy Plugin up to 2.0.0 on WordPress. Affected by this vulnerability is an unknown functionality of the component File Upload. This manipulation causes unrestricted upload. This vulnerability is tracked as CVE-2019-11223. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in SupportCandy Plugin up to 2.0.0 on WordPress (WordPress Plugin). It has been declared as critical. Affected by this vulnerability is an unknown code of the component File Upload. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An Unrestricted File Upload Vulnerability in the SupportCandy plugin through 2.0.0 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension.

The bug was discovered 04/05/2019. The weakness was disclosed 04/18/2019 (Website). The advisory is shared at wordpress.org. This vulnerability is known as CVE-2019-11223 since 04/12/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/05/2019 🔍
04/12/2019 +7 days 🔍
04/18/2019 +6 days 🔍
04/19/2019 +1 days 🔍
05/31/2020 +408 days 🔍

Sourcesinfo

Advisory: wordpress.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-11223 (🔍)
GCVE (CVE): GCVE-0-2019-11223
GCVE (VulDB): GCVE-100-133837

Entryinfo

Created: 04/19/2019 07:11
Updated: 05/31/2020 07:30
Changes: 04/19/2019 07:11 (56), 05/31/2020 07:30 (2)
Complete: 🔍
Cache ID: 216::103

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