high7.4
CVE-2021-32066
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1.
Impact
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."
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ruby-Lang | Ruby | from 2.6.0 through 2.6.7 from 2.7.0 through 2.7.3 from 3.0.0 through 3.0.1 |
| Oracle | Jd Edwards Enterpriseone Tools | before 9.2.6.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a
- https://hackerone.com/reports/1178562
- https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20210902-0004/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/
- https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a
- https://hackerone.com/reports/1178562
- https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20210902-0004/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/