CVE-2016-7143
Publication date 21 September 2016
Last updated 18 August 2025
Ubuntu priority
Description
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.
From the Ubuntu Security Team
It was discovered that Charybdis incorrectly handled AUTHENTICATE parameters. An attacker could possibly use this issue to log in as another user.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| charybdis | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Vulnerable
|
|
| 14.04 LTS trusty |
Fixed 3.4.2-3ubuntu0.1~esm1
|
|
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| Parameter | Value |
|---|---|
| Base score |
8.1 · High
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |