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Advisories

Nodemailer 3.0.0 before 10.1.4 Address Parsing Bypass via Nested Comments

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Severity
high
Date
Affecting

  • nodemailer >= 3.0.0, < 10.1.4

CWE
  • CWE-20 Improper Input Validation
CVSS
8.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Description
Nodemailer from 3.0.0 before 10.1.4 contains an address parsing vulnerability in addressparser that allows remote attackers to redirect recipients by ending nested RFC 5322 comments at the first closing parenthesis. Attackers can submit addresses whose nested comment hides an attacker address, bypassing conformant validators and recipient allow lists to receive mail or spoof senders in mailparser.

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