ZDaemon multiple function invalid memory access denial of service
| zdaemon-memory-access-dos (25593) |  Medium Risk |
Description:
ZDaemon is vulnerable to a denial of service attack, caused by memory access errors in the ZD_MissingPlayer, ZD_UseItem, ZD_LoadNewClient, and ZD_ValidClient functions. A remote attacker could connect to the game server using an invalid MAXPLAYERS or NUMARTIFACTS value to cause the server to crash.
Note: This vulnerability also affects X-Doom, which is a server only ZDaemon port.
Consequences:
Denial of Service
Remedy:
No remedy available as of July 9, 2011.
References:
- Full-Disclosure Mailing List, Fri Mar 31 2006 - 13:42:42 CST: Buffer-overflow and in-game crash in Zdaemon 1.08.01.
- X-Doom Web site: X-Doom -- Old School Alternative ZDaemon Server.
- ZDaemon Web site: Online Multiplayer Doom - ZDaemon.org.
- BID-17340: ZDaemon Multiple Remote Vulnerabilities
- CVE-2006-1593: The (1) ZD_MissingPlayer, (2) ZD_UseItem, and (3) ZD_LoadNewClientLevel functions in sv_main.cpp for (a) Zdaemon 1.08.01 and (b) X-Doom allows remote attackers to cause a denial of service (crash) via an invalid player slot or item number, which causes an invalid memory access, possibly due to an invalid array index.
- SA19496: Zdaemon Denial of Service and Buffer Overflow Vulnerabilities
- SA19509: X-Doom Denial of Service and Buffer Overflow Vulnerabilities
- VUPEN/ADV-2006-1198: Zdaemon Remote Buffer Overflow and Denial of Service Vulnerabilities
- VUPEN/ADV-2006-1199: X-Doom Remote Buffer Overflow and Denial of Service Vulnerabilities
Platforms Affected:
- Raider ZDaemon 1.08.01 and prior
- X-Doom X-Doom 1.08.01 and prior
Reported:
Mar 31, 2006
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