It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
CVSS Details
- CVSS 3.1 Base Score: 7.7
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-dovecot | Aug 22, 2024 | Mar 27, 2019 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-dovecotamazon-linux-ami-2-upgrade-dovecot-debuginfoamazon-linux-ami-2-upgrade-dovecot-develamazon-linux-ami-2-upgrade-dovecot-mysqlamazon-linux-ami-2-upgrade-dovecot-pgsqlamazon-linux-ami-2-upgrade-dovecot-pigeonhole | Aug 25, 2020 | Mar 27, 2019 | |
| Amazon_linux | — | amazon-linux-upgrade-dovecot | May 15, 2020 | Jan 16, 2019 |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Mar 27, 2019 | |
| Centos_linux | — | centos-upgrade-dovecotcentos-upgrade-dovecot-debuginfocentos-upgrade-dovecot-debugsourcecentos-upgrade-dovecot-develcentos-upgrade-dovecot-mysqlcentos-upgrade-dovecot-mysql-debuginfocentos-upgrade-dovecot-pgsqlcentos-upgrade-dovecot-pgsql-debuginfocentos-upgrade-dovecot-pigeonholecentos-upgrade-dovecot-pigeonhole-debuginfo | Nov 6, 2019 | Mar 27, 2019 |
| Debian | debian-upgrade-dovecot | Feb 7, 2019 | Jan 16, 2019 | |
| Freebsd | freebsd-upgrade-package-dovecot | Feb 6, 2019 | Feb 5, 2019 | |
| Gentoo Linux | gentoo-linux-upgrade-net-mail-dovecot | Apr 18, 2019 | Mar 27, 2019 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-dovecothuawei-euleros-2_0_sp2-upgrade-dovecot-mysqlhuawei-euleros-2_0_sp2-upgrade-dovecot-pgsqlhuawei-euleros-2_0_sp2-upgrade-dovecot-pigeonhole | May 1, 2019 | Mar 27, 2019 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-dovecothuawei-euleros-2_0_sp3-upgrade-dovecot-mysqlhuawei-euleros-2_0_sp3-upgrade-dovecot-pgsqlhuawei-euleros-2_0_sp3-upgrade-dovecot-pigeonhole | May 30, 2019 | Mar 27, 2019 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-dovecothuawei-euleros-2_0_sp5-upgrade-dovecot-mysqlhuawei-euleros-2_0_sp5-upgrade-dovecot-pgsqlhuawei-euleros-2_0_sp5-upgrade-dovecot-pigeonhole | May 1, 2019 | Mar 27, 2019 | |
| Oracle_linux | — | oracle-linux-upgrade-dovecotoracle-linux-upgrade-dovecot-develoracle-linux-upgrade-dovecot-mysqloracle-linux-upgrade-dovecot-pgsqloracle-linux-upgrade-dovecot-pigeonhole | Oct 5, 2022 | Feb 5, 2019 |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-dovecotredhat-upgrade-dovecot-debuginforedhat-upgrade-dovecot-debugsourceredhat-upgrade-dovecot-develredhat-upgrade-dovecot-mysqlredhat-upgrade-dovecot-mysql-debuginforedhat-upgrade-dovecot-pgsqlredhat-upgrade-dovecot-pgsql-debuginforedhat-upgrade-dovecot-pigeonholeredhat-upgrade-dovecot-pigeonhole-debuginfo | Nov 6, 2019 | Mar 27, 2019 | |
| Suse | — | suse-upgrade-dovecot22suse-upgrade-dovecot22-backend-mysqlsuse-upgrade-dovecot22-backend-pgsqlsuse-upgrade-dovecot22-backend-sqlitesuse-upgrade-dovecot22-develsuse-upgrade-dovecot23suse-upgrade-dovecot23-backend-mysqlsuse-upgrade-dovecot23-backend-pgsqlsuse-upgrade-dovecot23-backend-sqlitesuse-upgrade-dovecot23-develsuse-upgrade-dovecot23-ftssuse-upgrade-dovecot23-fts-lucenesuse-upgrade-dovecot23-fts-solrsuse-upgrade-dovecot23-fts-squat | Feb 27, 2019 | Jan 16, 2019 |
| Ubuntu | ubuntu-upgrade-dovecot-core | Feb 13, 2019 | Jan 16, 2019 |
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