CVE-2013-6404

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Summary

CVECVE-2013-6404
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-12-09 16:36:47 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionQuassel 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/.

Risk And Classification

Primary CVSS: v2.0 4 from [email protected]

AV:N/AC:L/Au:S/C:P/I:N/A:N

EPSS: 0.004470000 probability, percentile 0.635780000 (date 2026-04-29)

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:S/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Quassel-irc Quassel Irc 0.9.0 All All All
Application Quassel-irc Quassel Irc All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Yet Another Important Update: Quassel 0.9.2 | Quassel IRC af854a3a-2127-422b-91ae-364da2661108 quassel-irc.org Patch, Vendor Advisory
openSUSE-SU-2014:0114-1: moderate: update for quassel af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
osvdb.org/100432 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
oss-security - Re: CVE Request: Quassel IRC - manipulated clients can access backlog of all users on a shared core af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
openSUSE-SU-2013:1929-1: moderate: update for quassel af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Make sure that clients can't access buffers belonging to other users · quassel/quassel@a1a24da · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Patch
Security Advisory SA55640 - Quassel IRC Backlog Access Bypass Vulnerabilities - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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