CVE-2021-32066
- State
- Published
- Severity
- Not scored
- Published
- Aug 1, 2021
- Updated
- Aug 3, 2024
- Reserved
- May 6, 2021
Description
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."
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://hackerone.com/reports/1178562
- [debian-lts-announce] 20211013 [SECURITY] [DLA 2780-1] ruby2.3 security updatemailing-list
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.netapp.com/advisory/ntap-20210902-0004/
- https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/
- https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a
- [debian-lts-announce] 20230430 [SECURITY] [DLA 3408-1] jruby security updatemailing-list
- GLSA-202401-27vendor-advisory
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