DConnect Daemon dc_chat() denial of service
| dconnect-daemon-dcchat-dos (28279) |  Low Risk |
Description:
DConnect Daemon is vulnerable to a denial of service attack caused by a NULL pointer dereference error by the dc_chat() function in cmd.dc.c. A remote attacker could send a message before sending the nickname to cause the service to crash.
Platforms Affected:
- Direct Connect Daemon, DConnect Daemon prior to 0.7.0
Remedy:
Upgrade to the latest CVS release of DConnect Daemon, available from the DConnect Daemon Web site. See References.
Consequences:
Denial of Service
References:
- DConnect Daemon Web site, DConnect Daemon at http://www.dc.ds.pg.gda.pl/.
- Luigi Auriemma Advisory 06 Aug 2006, Multiple vulnerabilities in DConnect Daemon 0.7.0 (CVS 30 Jul 2006) at http://aluigi.altervista.org/adv/dconnx-adv.txt.
- BID-19370: DConnect Daemon DC Chat Denial of Service Vulnerability
- CVE-2006-4126: The dc_chat function in cmd.dc.c in DConnect Daemon 0.7.0 and earlier allows remote attackers to cause a denial of service (application crash) by sending a client message before providing the nickname, which triggers a null pointer dereference.
- SA21384: DConnect Daemon Multiple Vulnerabilities
- SECTRACK ID: 1016641: DConnect Daemon Format String and Buffer Overflow Flaws Let Remote Users Deny Service or Execute Arbitrary Code
- VUPEN/ADV-2006-3181: DConnect Daemon Multiple Remote Command Execution and Denial of Service Vulnerabilities
Reported:
Aug 06, 2006
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