The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x…
Priority LOW 38CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.
Why it matters now
EPSS 0.0127 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:unrealircd:unrealircd:*:*:*:*:*:*:*:* | up to 3.2.10.5 | Vulnerable | UnrealIRCd |
| cpe:2.3:a:unrealircd:unrealircd:4.0.0:*:*:*:*:*:*:* | 4.0.0 | Vulnerable | UnrealIRCd |
| cpe:2.3:a:unrealircd:unrealircd:4.0.1:*:*:*:*:*:*:* | 4.0.1 | Vulnerable | UnrealIRCd |
| cpe:2.3:a:unrealircd:unrealircd:4.0.2:*:*:*:*:*:*:* | 4.0.2 | Vulnerable | UnrealIRCd |
| cpe:2.3:a:unrealircd:unrealircd:4.0.3:*:*:*:*:*:*:* | 4.0.3 | Vulnerable | UnrealIRCd |
| cpe:2.3:a:unrealircd:unrealircd:4.0.3.1:*:*:*:*:*:*:* | 4.0.3.1 | Vulnerable | UnrealIRCd |
| cpe:2.3:a:unrealircd:unrealircd:4.0.4:*:*:*:*:*:*:* | 4.0.4 | Vulnerable | UnrealIRCd |
| cpe:2.3:a:unrealircd:unrealircd:4.0.5:*:*:*:*:*:*:* | 4.0.5 | Vulnerable | UnrealIRCd |
- cpe:2.3:a:unrealircd:unrealircd:*:*:*:*:*:*:*:* Versions up to 3.2.10.5 Vulnerable ·UnrealIRCd
- cpe:2.3:a:unrealircd:unrealircd:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·UnrealIRCd
- cpe:2.3:a:unrealircd:unrealircd:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·UnrealIRCd
- cpe:2.3:a:unrealircd:unrealircd:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·UnrealIRCd
- cpe:2.3:a:unrealircd:unrealircd:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·UnrealIRCd
- cpe:2.3:a:unrealircd:unrealircd:4.0.3.1:*:*:*:*:*:*:* Versions 4.0.3.1 Vulnerable ·UnrealIRCd
- cpe:2.3:a:unrealircd:unrealircd:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·UnrealIRCd
- cpe:2.3:a:unrealircd:unrealircd:4.0.5:*:*:*:*:*:*:* Versions 4.0.5 Vulnerable ·UnrealIRCd
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7144
- 2026-10-03 Alias added: GHSA-jh73-52m6-cx8p
References
More Unrealircd vulnerabilities
- TI-2010-01989 UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through… CVSS 2.0HIGH 7.5
- TI-2023-27714 A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an… CVSS 3.1HIGH 7.5
- TI-2009-04649 Buffer overflow in UnrealIRCd 3.2beta11 through 3.2.8, when allow::options::noident is… CVSS 2.0MEDIUM 6.8
- TI-2013-06048 UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0
- TI-2013-05367 Use-after-free vulnerability in UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers… CVSS 2.0MEDIUM 5.0
- TI-2017-09939 UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root… CVSS 3.0MEDIUM 5.5
Sources
- CVE-2016-7144 · CVE Program
- CVE-2016-7144 · NVD
- FIRST EPSS
- GHSA-jh73-52m6-cx8p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences