PT-2018-18155 · Aws · Aws-Lambda-Multipart-Parser

Published 2018-03-04 · Updated 2020-04-22 · CVE-2018-7560

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions aws-lambda-multipart-parser versions prior to 0.1.2

Description The issue is a Regular Expression Denial of Service (ReDoS) problem that can be triggered by a crafted multipart/form-data boundary string. This can affect the index.js file in the aws-lambda-multipart-parser NPM package.

Recommendations For versions prior to 0.1.2, update to version 0.1.2 or later to resolve the issue. As a temporary workaround, consider restricting the handling of multipart/form-data boundary strings to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-7560

GHSA-6JQP-J69Q-PM62

Affected Products

Aws-Lambda-Multipart-Parser

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2018-7560 · Security Note
• https://osv.dev/vulnerability/GHSA-6jqp-j69q-pm62 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-7560 · Vendor Advisory
• https://github.com/myshenin/aws-lambda-multipart-parser · Note
• https://github.com/myshenin/aws-lambda-multipart-parser/commit/56ccb03af4dddebc2b2defb348b6558783d5757e · Note
• https://github.com/advisories/GHSA-6jqp-j69q-pm62 · Note