Email Injection Vulnerability in Lettre Crate for Rust
CVE-2021-38189

9.8CRITICAL

Key Information:

Vendor

Lettre

Status
Lettre
Vendor
CVE Published:
8 August 2021

What is CVE-2021-38189?

In the Lettre crate prior to version 0.9.6, a vulnerability exists that permits an attacker to exploit the email message body by inserting a period after two consecutive sequences. This manipulation enables the attacker to inject arbitrary SMTP commands, potentially compromising the integrity and security of email communications facilitated by applications utilizing this library.

References

https://rustsec.org/advisories/RUSTSEC-2021-0069.html
x_refsource_MISC
https://raw.githubusercontent.com/rustsec/advisory-db/mai...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.