CVE-2007-4642 Memory corruption in n/a

Critical 10.0 Published 31 Aug 2007 Updated 7 Aug 2024

Remote attackers can execute arbitrary code or cause denial of service via buffer overflows in Doomsday game engine network handling.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2007-4642?

CVE-2007-4642 is a critical memory corruption vulnerability in n/a, published on 31 Aug 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-119

Which versions are affected by CVE-2007-4642?

It affects 1 product.

Products include Doomsday Doomsday.

How do I fix CVE-2007-4642?

No fix has been published for CVE-2007-4642 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2007-4642 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-4642 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-4853-vw97-h7j3.