PT-2020-19794 · Alessandro Arzilli · Mout

Published 2020-12-11 · Updated 2022-06-28 · CVE-2020-7792

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 mout (affected versions not specified)

Description The issue affects the deepFillIn and deepMixIn functions, which can be used to fill missing properties recursively and mix objects into the target object, respectively. In both cases, the key used to access the target object recursively is not checked, leading to a Prototype Pollution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Prototype Pollution

Weakness Enumeration

CWE-1321

Related Identifiers

CVE-2020-7792

GHSA-PC58-WGMC-HFJR

SNYK-JAVA-ORGWEBJARS-1050374

SNYK-JAVA-ORGWEBJARSNPM-1050373

SNYK-JS-MOUT-1014544

Affected Products

Mout

References · 27

• 🔥 https://github.com/mout/mout/blob/master/src/object/deepFillIn.js · Exploit
• 🔥 https://github.com/mout/mout/blob/master/src/object/deepMixIn.js · Exploit
• 🔥 https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1050374 · Exploit
• 🔥 https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050373 · Exploit
• 🔥 https://snyk.io/vuln/SNYK-JS-MOUT-1014544 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-7792 · Security Note
• https://osv.dev/vulnerability/GHSA-pc58-wgmc-hfjr · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-7792 · Vendor Advisory
• https://github.com/mout/mout/commit/3fecf1333e6d71ae72edf48c71dc665e40df7605 · Note
• https://t.me/cibsecurity/20062 · Telegram Post
• https://t.me/cibsecurity/20120 · Telegram Post
• https://t.me/cibsecurity/20004 · Telegram Post
• https://t.me/cibsecurity/20158 · Telegram Post
• https://t.me/cibsecurity/20100 · Telegram Post
• https://t.me/cibsecurity/20216 · Telegram Post