CVE-2016-7143
The m_authenticate function in modules/m_sasl.c in Charybdis before 3.5.3 allows remote attackers...
CVE-2016-7143 is a high vulnerability (CVSS 8.1) in Charybdis Project Charybdis, published September 6, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 65th percentile. Fixed in charybdis 3.4.2-5+deb8u2.
- Severity
- 8.1 HighCVSS 3.0, NVD
- Exploit chance
- 1.06%EPSS, 65th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
3.4.2-5+deb8u2charybdis +4 more
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
charybdisDebian:8 | before 3.4.2-5+deb8u2, plus listed versions 3.4.2-43.4.2-53.4.2-5~deb8u1 | 3.4.2-5+deb8u2 |
charybdisUbuntu:Pro:14.04:LTS | before 3.4.2-3ubuntu0.1~esm1, plus listed versions 3.4.2-23.4.2-2ubuntu13.4.2-3 | 3.4.2-3ubuntu0.1~esm1 |
charybdisUbuntu:Pro:16.04:LTS | before 3.5.0-1ubuntu0.1~esm1, plus listed versions 3.4.2-4build13.4.2-53.5.0-13.5.0-1build1 | 3.5.0-1ubuntu0.1~esm1 |
charybdisopenSUSE:Tumbleweed | before 3.5.3-2.1 | 3.5.3-2.1 |
solanumopenSUSE:Tumbleweed | before 0~ch448-1.4 | 0~ch448-1.4 |
What each source reports
NVD Score used
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.
- Record
CVE-2016-7143- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-285
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2016-7143- Updated
- 2026-11-02
EUVDEUVD-2016-8015No score
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.
- Record
EUVD-2016-8015- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fr2x-9vgp-crvv
The m_authenticate function in modules/m_sasl.c in Charybdis before 3.5.3 allows remote attackers...
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.
- Record
GHSA-fr2x-9vgp-crvv- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-285
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2016-7143- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-7143
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.
- Record
UBUNTU-CVE-2016-7143- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-13
OSVopenSUSE-SU-2024:10220-1No score
charybdis-3.5.3-2.1 on GA media
These are all security issues fixed in the charybdis-3.5.3-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10220-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11392-1No score
solanum-0~ch448-1.4 on GA media
These are all security issues fixed in the solanum-0~ch448-1.4 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11392-1- Updated
- 2026-11-02
OSVUSN-9067-1No score
charybdis vulnerability
It was discovered that Charybdis incorrectly validated AUTHENTICATE parameters during SASL authentication. A remote attacker could possibly use this issue to spoof certificate fingerprints and log in as another user.
- Record
USN-9067-1- Updated
- 2026-11-13
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases | OSV | |
| affected, references | OSV | |
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.