Interspire Email Marketer up to 6.1.6 File Upload surveys_submit.php 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.
7.5$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Interspire Email Marketer up to 6.1.6. Affected by this issue is some unknown functionality of the file surveys_submit.php of the component File Upload. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Interspire Email Marketer through 6.1.6 allows arbitrary file upload via a surveys_submit.php "create survey and submit survey" operation, which can cause a .php file to be accessible under a admin/temp/surveys/ URI.

The bug was discovered 11/19/2018. The weakness was released 11/26/2018 (Website). The advisory is shared for download at medium.com. This vulnerability is handled as CVE-2018-19550 since 11/25/2018. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1608.002.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:surveys_submit.php it is possible to find vulnerable targets with Google Hacking.

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

Entries connected to this vulnerability are available at 127135, 127137, 127138 and 127139.

Productinfo

Vendor

Name

Version

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: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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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
ATT&CK: T1608.002

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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

11/19/2018 🔍
11/25/2018 +6 days 🔍
11/26/2018 +1 days 🔍
11/26/2018 +0 days 🔍
11/27/2018 +1 days 🔍
06/11/2023 +1657 days 🔍

Sourcesinfo

Advisory: 153018
Status: Not defined

CVE: CVE-2018-19550 (🔍)
See also: 🔍

Entryinfo

Created: 11/27/2018 09:34
Updated: 06/11/2023 14:30
Changes: 11/27/2018 09:34 (58), 04/15/2020 07:16 (1), 06/11/2023 14:30 (3)
Complete: 🔍

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