Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-exim | Nov 8, 2019 | Jul 25, 2019 | |
| Amazon_linux | — | amazon-linux-upgrade-exim | Jul 27, 2019 | Jul 25, 2019 |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jul 25, 2019 | |
| Debian | debian-upgrade-exim4 | Jul 29, 2019 | Jul 25, 2019 | |
| Exim | — | exim-upgrade-4_92_1 | Aug 21, 2019 | Jul 25, 2019 |
| Freebsd | freebsd-upgrade-package-exim | Jul 27, 2019 | Jul 25, 2019 | |
| Gentoo Linux | gentoo-linux-upgrade-mail-mta-exim | Sep 9, 2019 | Jul 25, 2019 | |
| Suse | — | suse-upgrade-eximsuse-upgrade-eximonsuse-upgrade-eximstats-htmlsuse-upgrade-libspf2-2suse-upgrade-libspf2-develsuse-upgrade-libspf2-tools | Aug 1, 2019 | Jul 25, 2019 |
| Ubuntu | ubuntu-upgrade-exim4-daemon-heavyubuntu-upgrade-exim4-daemon-light | Jul 26, 2019 | Jul 25, 2019 |
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