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 github.com. 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.

Productinfo

Type

• Software Library

Vendor

• Anton Myshenin

Name

• aws-lambda-multipart-parser NPM Package

License

• open-source

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion