Cleartext Transmission of Sensitive Information Affecting rubygem-psych package, versions <0:3.1.0-108.module+el8.5.0+13719+08a8ba32
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Test your applications- Snyk ID SNYK-CENTOS8-RUBYGEMPSYCH-1962223
- published 26 Jul 2021
- disclosed 7 Jul 2021
Introduced: 7 Jul 2021
CVE-2021-32066 Open this link in a new tabHow to fix?
Upgrade Centos:8 rubygem-psych to version 0:3.1.0-108.module+el8.5.0+13719+08a8ba32 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rubygem-psych package and not the rubygem-psych package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
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."
References
- https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a
- https://security.netapp.com/advisory/ntap-20210902-0004/
- https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/
- https://access.redhat.com/security/cve/CVE-2021-32066
- https://hackerone.com/reports/1178562
- https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html
- https://access.redhat.com/errata/RHSA-2022:0543
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
- https://security.gentoo.org/glsa/202401-27