Quassel core (server daemon) in Quassel IRC before 0.9.2 does not properly verify the…
Priority LOW 23CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
Quassel core (server daemon) in Quassel IRC before 0.9.2 does not properly verify the user ID when accessing user backlogs, which allows remote authenticated users to read other users' backlogs via the bufferid in (1) 16/select_buffer_by_id.sql, (2) 16/select_buffer_by_id.sql, and (3) 16/select_buffer_by_id.sql in core/SQL/PostgreSQL/.
Why it matters now
EPSS 0.02059 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:quassel-irc:quassel_irc:*:*:*:*:*:*:*:* | up to 0.9.1 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.9.0:*:*:*:*:*:*:* | 0.9.0 | Vulnerable | Quassel-irc |
- cpe:2.3:a:quassel-irc:quassel_irc:*:*:*:*:*:*:*:* Versions up to 0.9.1 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.9.0:*:*:*:*:*:*:* Versions 0.9.0 Vulnerable ·Quassel-irc
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-6404
- 2026-10-03 Alias added: GHSA-pvv4-25p8-vqx8
References
More Quassel-irc Quassel Irc vulnerabilities
- TI-2013-03875 SQL injection vulnerability in Quassel IRC before 0.9.1, when Qt 4.8.5 or later and… CVSS 2.0MEDIUM 6.8
- TI-2014-06961 The blowfishECB function in core/cipher.cpp in Quassel IRC 0.10.0 allows remote attackers… CVSS 2.0MEDIUM 5.0
- TI-2010-03276 ctcphandler.cpp in Quassel before 0.6.3 and 0.7.x before 0.7.1 allows remote attackers to… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2013-6404 · CVE Program
- CVE-2013-6404 · NVD
- FIRST EPSS
- GHSA-pvv4-25p8-vqx8 · GitHub Advisory Database · CC BY 4.0
- CVE-2013-6404 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences