Vulnerability CVE-2013-6404
Published: 2013-12-09

Description:
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/.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Quassel-irc -> Quassel irc 

 References:
https://github.com/quassel/quassel/commit/a1a24da
http://quassel-irc.org/node/123
http://xforce.iss.net/xforce/xfdb/89377
http://www.openwall.com/lists/oss-security/2013/11/28/8
http://secunia.com/advisories/55640
http://osvdb.org/100432
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