The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which could allow remote attackers to use brute force methods to gain other user's IP addresses.
Why it matters now
EPSS 0.01569 75th 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:unreal:unrealircd:3.1.1:*:*:*:*:*:*:* | 3.1.1 | Vulnerable | Unreal |
| cpe:2.3:a:unreal:unrealircd:3.1.3:*:*:*:*:*:*:* | 3.1.3 | Vulnerable | Unreal |
| cpe:2.3:a:unreal:unrealircd:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Unreal |
| cpe:2.3:a:unreal:unrealircd:3.2_.0_beta_10:*:*:*:*:*:*:* | 3.2_.0_beta_10 | Vulnerable | Unreal |
- cpe:2.3:a:unreal:unrealircd:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Vulnerable ·Unreal
- cpe:2.3:a:unreal:unrealircd:3.1.3:*:*:*:*:*:*:* Versions 3.1.3 Vulnerable ·Unreal
- cpe:2.3:a:unreal:unrealircd:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Unreal
- cpe:2.3:a:unreal:unrealircd:3.2_.0_beta_10:*:*:*:*:*:*:* Versions 3.2_.0_beta_10 Vulnerable ·Unreal
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0679
- 2026-10-03 Alias added: GHSA-wv5x-mhvx-xm35
References
More Unrealircd vulnerabilities
- TI-2002-01596 Format string vulnerability in the Cio_PrintF function of cio_main.c in Unreal IRCd 3.1.1… CVSS 2.0MEDIUM 6.4
- TI-2006-01173 UnrealIRCd 3.2.3 allows remote attackers to cause an unspecified denial of service by… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2004-0679 · CVE Program
- CVE-2004-0679 · NVD
- FIRST EPSS
- GHSA-wv5x-mhvx-xm35 · 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