VDB
BIT-ruby-2021-32066
BIT-ruby-2021-32066
PUBLISHED
CVSS 7.400000095367432 HIGH
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
Risk Scores
CVSS 3.1
7.400000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bitnami | ruby | 2.6.0, 2.7.0, 3.0.0 |
Exploit Intelligence
Timeline
- Mar 6, 2024 CVE Published
- Apr 3, 2025 CVE Updated
References
- https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a url
- https://hackerone.com/reports/1178562 url
- https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html url
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html url
- https://security.gentoo.org/glsa/202401-27 url
- https://security.netapp.com/advisory/ntap-20210902-0004/ url
- https://www.oracle.com/security-alerts/cpuapr2022.html url
- https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/ url
- https://nvd.nist.gov/vuln/detail/CVE-2021-32066 url