CVE-2021-38189 Information

Description

An issue was discovered in the lettre crate before 0.9.6 for Rust. In an e-mail message body an attacker can place a . character after two sequences and then inject arbitrary SMTP commands.

CVSS Vector

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

Reference

https://rustsec.org/advisories/RUSTSEC-2021-0069.html https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/lettre/RUSTSEC-2021-0069.md

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8