An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-prosody | Aug 22, 2024 | May 13, 2021 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | May 13, 2021 | |
| Debian | debian-upgrade-prosody | May 19, 2021 | May 13, 2021 | |
| Freebsd | freebsd-upgrade-package-prosody | Nov 4, 2022 | May 13, 2021 | |
| Gentoo Linux | gentoo-linux-upgrade-net-im-prosody | May 28, 2021 | May 13, 2021 | |
| Ubuntu | no-fix-ubuntu-package | Jun 26, 2025 | May 13, 2021 |
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