CVE-2007-4642
HighSummary
Multiple buffer overflows in Doomsday (deng) 1.9.0-beta5.1 and earlier allow remote attackers to execute arbitrary code via a long chat (PKT_CHAT) message. These issues affect the D_NetPlayerEvent, Msg_Write, and NetSv_ReadCommands functions that do not properly handle long chat messages.
Risk Assessment
Attackers can remotely execute code on the server, posing a serious threat to system integrity. Additionally, it is possible to cause a denial of service by sending an improperly formatted chat message.
Recommendation
It is recommended to update Doomsday to the latest version to mitigate these vulnerabilities. Also, monitor and restrict access to the server to minimize the risk of attacks.
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Original NVD description (English source)
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.

