Description
Multiple buffer overflows in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allow remote attackers to execute arbitrary code via a long chat (PKT_CHAT) message that is not properly handled by the (1) D_NetPlayerEvent function in d_net.c or the (2) Msg_Write function in net_msg.c, or (3) many commands that are not properly handled by the NetSv_ReadCommands function in d_netsv.c; or (4) cause a denial of service (daemon crash) via a chat (PKT_CHAT) message without a final '\0' character.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Doomsday Engine 1.8.6/1.9 - Multiple Remote Vulnerabilities EDB-30543 · remote · Aug 29, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 3084 third-party-advisory
- 28821 third-party-advisory
- doomsday-dnetplayerevent-bo(36332) vdb-entry
- http://aluigi.altervista.org/adv/dumsdei-adv.txt
- http://bugs.gentoo.org/show_bug.cgi?id=190835
- 26524 third-party-advisory
- 20070829 Multiple vulnerabilities in Doomsday 1.9.0-beta5.1 mailing-list
- doomsday-msgwrite-bo(36333) vdb-entry
- 25483 vdb-entry
- GLSA-200802-02 vendor-advisory
- doomsday-netsvreadcommands-bo(36334) vdb-entry
- http://aluigi.org/poc/dumsdei.zip