The m_authenticate function in modules/m_sasl.c in Charybdis before 3.5.3 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade charybdis. | Aug 30, 2017 | Sep 21, 2016 |
| Debian | — | Upgrade charybdis | Apr 3, 2017 | Sep 6, 2016 |
| Ubuntu | — | Upgrade charybdis (Ubuntu Pro) | Nov 19, 2024 | Sep 21, 2016 |
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