Anton Myshenin aws-lambda-multipart-parser NPM Package up to 0.1.1 node.js Regular Expression input validation

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.

A vulnerability, which was classified as problematic, was found in Anton Myshenin aws-lambda-multipart-parser NPM Package up to 0.1.1 (Software Library). This affects an unknown function of the component node.js. The manipulation as part of a Regular Expression leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

index.js in the Anton Myshenin aws-lambda-multipart-parser NPM package before 0.1.2 has a Regular Expression Denial of Service (ReDoS) issue via a crafted multipart/form-data boundary string.

The bug was discovered 02/28/2018. The weakness was released 03/04/2018 (Website). It is possible to read the advisory at This vulnerability is uniquely identified as CVE-2018-7560 since 02/28/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

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 $0-$5k.

Upgrading to version 0.1.2 eliminates this vulnerability.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Input validation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: aws-lambda-multipart-parser NPM Package 0.1.2


02/28/2018 🔍
02/28/2018 +0 days 🔍
03/04/2018 +4 days 🔍
03/04/2018 +0 days 🔍
03/05/2018 +1 days 🔍
02/16/2023 +1809 days 🔍


Advisory: 56ccb03af4dddebc2b2defb348b6558783d5757e
Status: Not defined

CVE: CVE-2018-7560 (🔍)


Created: 03/05/2018 08:06 AM
Updated: 02/16/2023 06:52 PM
Changes: 03/05/2018 08:06 AM (60), 01/10/2020 11:00 AM (1), 02/16/2023 06:52 PM (5)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!