AWS Lambda parser is vulnerable to Regular Expression Denial of Service · CVE-2018-7560 · GitHub Advisory Database · GitHub

AWS Lambda parser is vulnerable to Regular Expression Denial of Service

High severity GitHub Reviewed Published Mar 5, 2018 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

aws-lambda-multipart-parser (npm)

Affected versions

< 0.1.2

Patched versions

0.1.2

Description

index.js in the 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.

References

Published to the GitHub Advisory Database Mar 5, 2018

Reviewed Jun 16, 2020

Last updated Jan 9, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H