Alpine before 2.23 silently proceeds to use an insecure connection after a /tls is sent in certain circumstances involving PREAUTH, which is a less secure behavior than the alternative of closing the connection and letting the user decide what they would like to do.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Alpine | Alpine_project | * | 2.23 (excluding) |
| Alpine | Ubuntu | bionic | * |
| Alpine | Ubuntu | devel | * |
| Alpine | Ubuntu | eoan | * |
| Alpine | Ubuntu | esm-apps/bionic | * |
| Alpine | Ubuntu | esm-apps/focal | * |
| Alpine | Ubuntu | esm-apps/jammy | * |
| Alpine | Ubuntu | esm-apps/noble | * |
| Alpine | Ubuntu | esm-apps/xenial | * |
| Alpine | Ubuntu | focal | * |
| Alpine | Ubuntu | groovy | * |
| Alpine | Ubuntu | hirsute | * |
| Alpine | Ubuntu | impish | * |
| Alpine | Ubuntu | jammy | * |
| Alpine | Ubuntu | kinetic | * |
| Alpine | Ubuntu | lunar | * |
| Alpine | Ubuntu | mantic | * |
| Alpine | Ubuntu | noble | * |
| Alpine | Ubuntu | oracular | * |
| Alpine | Ubuntu | plucky | * |
| Alpine | Ubuntu | trusty | * |
| Alpine | Ubuntu | upstream | * |
| Alpine | Ubuntu | xenial | * |
References
- http://mailman13.u.washington.edu/pipermail/alpine-info/2020-June/008989.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00025.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YFXQGKZZMP3VSTLZVO5Z7Z6USYIW37A6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJLY6JDVGDNAJZ3UQDWYWSDBWOAOXMNX/
- http://mailman13.u.washington.edu/pipermail/alpine-info/2020-June/008989.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00025.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YFXQGKZZMP3VSTLZVO5Z7Z6USYIW37A6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJLY6JDVGDNAJZ3UQDWYWSDBWOAOXMNX/